I used a long exposure for this one.

我这张照片用的曝光时间长。

《牛津词典》

Motion during the long exposure produced streaks in the starry background and the city lights on the darkened planet below.

在长时间曝光中的运动在星光熠熠的背景和下方变暗了的城市灯光上产生了条纹。

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It is possible, however, to view the colors in a moonbow using long exposure photography.

然而，使用长时间曝光摄影可以观察到月虹的颜色。

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But she says the research does show the need to study whether or not there are long-lasting effects of repeated exposure over several years.

VOA: special.2011.03.02

Memory cells are long lasting cells that remember this exposure and can respond very quickly on second exposure.

记忆细胞可以长时间记忆与抗原的接触,并在再次免疫中迅速做出应答

耶鲁公开课 - 生物医学工程探索课程节选

But you do, in fact, have to worry about long-term exposure, cyanide poisoning in terms of long-term effects in certain populations that do get the bulk of their carbohydrates from this root, from the root of the Cassava plant.

但是你确实，不得不担心长时间的接触，氰化物的慢性中毒会对,从木薯根中获取大部分,碳水化合物的部分人群产生影响。

麻省理工公开课 - 化学原理课程节选

"Long exposure and no food or water takes a toll, " RunningWolf said.

CNN: In Oak Grove, three tree-sitters remain

That small, hazy picture shows a ghostly climber (the effect of the long exposure required) slogging up a snow field on the Wetterhorn.

WSJ: Photographic Balancing Acts | Swiss Alpine Museum | He Cut a Fresh Path in Mountain Photography | By Michael J. Ybarra

The disaggregated report showed managed-money accounts cut their net long exposure to 25, 100 lots for futures and options combined from 25, 791 the previous week.

FORBES: CFTC Data: Funds Trim Gold, Silver Length Slightly; Next Report To Be 'Much More Telling'