has+long+been

да́вние собы́тия — ancient / bygone events

с да́вних пор — since long ago, for a long time

да́вний друг — an old friend

да́вняя дру́жба — a long-standing [an old] friendship, a friendship of long standing

давние события — ancient / bygone events

давний друг — an old friend

Disregarding the horizontal movements..., consider for the moment only the lifting of...

For the time being (or For the present) we are interested primarily in ideas and not particularly in details.

This ratio has thus far been determined only in the case of...

The physiologic importance of glucose will be discussed under biologic chemistry. For now, let us say that glucose is used in...

Up to now (or Until now, or So far, or Up to the present, or As yet), there has been no detailed work done to find...

This is not found to be true experimentally as long as the similar atoms are otherwise equivalent.

As long as the energy is high enough, its particular value is irrelevant in determining...

It is desirable to burn the mixture while the piston is near top centre position.

Были вы там? — Да — Were you there? — Yes (, I was)

Сегодня воскресенье? — Да — Is it Sunday today? — Yes

Ведь вы не были там? — Да, не был (= нет, не был) — You were not there? — No, I was not

да ты готов? — oh but you are ready, aren't you?

да не может быть!, да ну? — you don't say so!; is that so?; fancy (that)!

да ну его! — oh, bother him!

что-нибудь да осталось же — now something must surely have been left, surely something was left

да здравствует...! — long live...!

да здравствует... — long live...!

да живёт он многие годы! — long may he live!

он да я — he and I

да ещё — and what is more

он охотно сделал бы это, да у него нет времени — he would gladly do it, but he hasn't the time

проходи́ть ми́мо — go by / past

проходи́ть торже́ственным ма́ршем — march past

не проходи́те ми́мо наруше́ний обще́ственного поря́дка — don't disregard public order violations

бы́стро проходи́ть — pass quickly

не прошло́ ещё и го́да — a year has not yet passed / elapsed [has not yet gone by]

не прошло́ пяти́ мину́т, как — within five minutes

срок ещё не прошёл — the term has not yet expired

его́ боле́знь прошла́ — his illness has passed [is over]

ле́то ско́ро пройдёт — summer will soon be over

и э́то пройдёт — this will pass too

доро́га прошла́ че́рез лес — the road went across a forest

здесь прохо́дят перегово́ры — negotiations are being held [are under way] here

спекта́кль прошёл уда́чно — the play went off well

как прошла́ сва́дьба? — how did the wedding go off?

пройти́ че́рез тяжёлое испыта́ние — go through a hard trial

е́сли бы вы зна́ли, че́рез что я прошёл — if only you knew what I have lived through

проходи́ть инструкта́ж — be briefed

проходи́ть полевы́е испыта́ния — undergo field tests / testing, be field-tested

проходи́ть прове́рку — be tested / checked

проходи́ть обрабо́тку — undergo treatment / processing, be treated / processed

проходи́ть учёбу — undergo training, be trained

проходи́ть фи́зику — study physics

что вы сейча́с прохо́дите по геогра́фии? — what are you studying in geography now?

э́то мы ещё не проходи́ли — we haven't studied it yet

пройти́ до́лгий и сла́вный путь — travel a long and glorious road

проходи́ть весь день — walk the whole day, spend the whole day walking

проходи́ть до ве́чера — walk till the evening

я то́лько вошёл — I've just come in

то́лько он вошёл, как э́то слу́чилось — hardly had he come in when this happened

он согла́сен, то́лько име́йте в виду́, что — he agrees, only / but bear in mind that

она́ хо́чет пойти́, то́лько у неё не хвата́ет де́нег — she wants to go, but / only she hasn't got enough money

е́сли то́лько — if only

как / лишь то́лько — as soon as, barely; the moment...

я позвоню́ вам, как то́лько смогу́ — I'll call you back as soon as I can

лишь то́лько он вошёл — as soon as he came in, just as he came in; barely [no sooner] had he come in

сейча́с то́лько два часа́ — it is only two o'clock now

ей то́лько 20 лет — she is only 20 (years old)

он то́лько хоте́л узна́ть — he only / merely wanted to know

то́лько за 2003 год — in 2003 alone

то́лько в центра́льном райо́не го́рода — in the town's central district alone

он ест то́лько хлеб — he eats nothing but bread

э́то могло́ произойти́ то́лько случа́йно — it could not have happened except by accident / chance

то́лько для же́нщин — ladies only

то́лько потому́, что — just / only because

вы ви́дите то́лько —... all you can see is...

то́лько вчера́ я с ним ви́делся — I saw him only yesterday

каки́х то́лько книг он не чита́л! — what books has he not read!

где то́лько он не быва́л! — where has he not been!

поду́май(те) то́лько, то́лько поду́мать — just think

то́лько в после́днюю мину́ту — not until the last moment

то́лько по́здно ве́чером — it was not until late in the evening

отку́да [кто, заче́м] то́лько — where [who, why] on earth

то́лько когда́ — not until

то́лько попро́буй э́то сде́лать — you just try to do it

то́лько пи́кни! — (don't you) just open your mouth!

и то́лько? — is that all?

то́лько бы — if only; as long as

то́лько бы не заболе́ть — if only I do not fall ill; as long as I don't fall ill, I hope I don't fall ill

мне всё равно́, то́лько бы ты был со мной — I don't care as long as you are with me

то́лько и всего́ — and that is all, and nothing more

я вся́чески ублажа́л их, то́лько что не танцева́л перед ни́ми — I did all I could think of to please them, except / save perhaps that I didn't dance in front of them

он то́лько что ру́ки ей не целова́л — it seemed he might start kissing her hands

не то́лько..., но и — not only... but also; as well as

он не то́лько приле́жен, но и спосо́бен — he is not only painstaking but also clever; he is clever as well as painstaking

да и то́лько — just; it's nothing but; that's all there is to it

врёт, да и то́лько — he is just lying; it's only a pack of lies

смех, да и то́лько — it's enough to make a cat laugh

Anaplastic cells are derived from adult, differentiated cells.

This change comes about by virtue of the force acting on...

Such explosions come ( about) (or occur) each 100 years.

No major breakthrough has come about (разг.).

Most of the world's volcanic activity is found near the boundaries of...

We know from experience that this does not happen.

This process has been going on for 3 billion years.

The change from melt to crystalline rock happens (or occurs) rapidly.

Here, fluvial denudation has been in progress for long periods of time.

Expansion of the clay mass results when more water penetrates...

The Mediterranean Sea was the site of extensive evaporite depositions ( B Средиземном море происходили...).

Processes of fluvial denudation are at work from the very beginning.

Such an event will never come to pass.

Two processes operate simultaneously.

Every living cell is a seat of numerous metabolic reactions.

Combustion will occur (or proceed) at any pressure if a suitable catalyst is added.

If a leak occurs urgent measures should be taken.

Under these conditions the transformation of heat energy into other forms of energy takes place.

The 1930s saw a marked spurt in the technological applications of catalysts.

The past 20 years have witnessed an amazing increase in the number of molecules detected.