近一个世纪前，生物学家发现，如果他们在无脊椎动物胚胎生命的早期阶段将其分成两部分，它会存活下来并发育成两个正常的胚胎。
Nearly a century ago, biologists found that if they separated an invertebrate animal embryo into two parts at an early stage of its life, it would survive and develop as two normal embryos.
在举行婚礼前，Fatima告诉了她的丈夫她是拉拉。但同她身边的其他大多人一样，她丈夫以为这只是她会度过的一个人生阶段。
She told him before the wedding that she was attracted to women, but like so many others in her life he had assumed it was a phase that she'd get over.
在进入下一个繁荣阶段前，它必须忍受更多的痛苦。
It must endure much more pain before it enters its next phase of prosperity.
事实上，党内的某些人害怕在议员中吸纳如此多的上流人士将会在大选的预备阶段变成一个难以处理的问题，大选必须在明年6月前举行。
Indeed, some in the party fear that the poshness of the next intake of MPs will become a problem in the run-up to the election, which must be held by next June.
此协议在截止日期前的几天被苦心想出，承诺在下一个十年，花在缺口上的9170亿美金将换来9000亿美元的债务上限二阶段的增长。
The deal, hammered out just days before that deadline, promises $917 billion in spending cuts over the next decade in return for a two-stage increase in the debt ceiling of $900 billion.
在衰竭前的最后生命阶段，湖泊成为一个塘。
电荷不仅由衰变“前”到衰变“后”是守恒的，而且在衰变过程的每一个中间的阶段也都是守恒的。
The charge is conserved not only from "before" to " after " but also at every intermediate stage of the process.
易经的演变阶段，在未来8个世纪，但提到的第一个记录是在公元前672。
The Book of Changes evolved in stages over the next eight centuries, but the first recorded reference is in 672 BCE.
第一个阶段是前三年，着重学习方面，学习各种有用的知识，工作能力，努力提高自己在社会上的竞争力。
The first was three years before, focus on learning, learning all kinds of useful knowledge, capability, and strive to improve their competitiveness in the community.
我曾见过的罗西基的最好的表现是在赛季前的训练场上以及英超对曼城的最后阶段，他制造了阿森纳的所有精彩，包括一个进球。
The best I have seen Rosicky play was in pre-season in the centre and at the end of the premiership game at Man City where he created everything good that Arsenal did including a goal.
我曾见过的罗西基的最好的表现是在赛季前的训练场上以及英超对曼城的最后阶段，他制造了阿森纳的所有精彩，包括一个进球。
The best I have seen Rosicky play was in pre-season in the centre and at the end of the premiership game at Man City where he created everything good that Arsenal did including a goal.
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