The lifespan of the Monarch is only two months (once full grown).

这种蝴蝶的寿命只有两个月（从完全长成后算起）。

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The cautious scientist in him can’t see how the mirror cell, once full of chirally flipped molecular machinery, will come to life.

他表示，以科学工作者秉承的谨慎态度来看，很难想象完全以手性反转分子结构形成的镜像细胞会成为现实。

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We start in the caravanserai (traditional roadside inn), its courtyard once full of camels laden with silks and spices but today transformed into a dull, roofed market depot.

我们先逛商队旅馆(传统的路边旅馆)，院子里曾经站满了背着丝绸和香料的骆驼，而今天却变成了了无生趣的有顶仓库。

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The Taliban, once thought of as a defeated entity, has re-emerged as a full-blown insurgency.

VOA: standard.2009.08.03

So this design of having students on campus once a month for intensive classes allows students to continue working full time.

让学生每月来校一次,进行现场教学的设计,允许学生继续全职工作。

哈佛公开课 - 幸福课课程节选

Once full operations resume, the pedestal, museum and crown tickets will be available online as well.

FORBES: Statue Of Liberty's Crown To Reopen

Once full of fuel for the British fleet, the former pump house is today full of exhibits and objects from both world wars, including many salvaged from the wrecks.

BBC: Europe��s surprising dive hotspot

It was once full of sprites and witches and devils.

ECONOMIST: The spirits that move Africa