carry out the one-child policy 实施独生子女政策
It is short, because we just carry out one friendship.
十年也是短暂的,因为我们只维持了一份友谊。
It also occurred to him that he could utilize the Air Force colonel to carry out one last message.
他还想到他可以利用这位空军上校给他带出一封最后的信。
In this way, a species can go from having one gene with two functions to two genes that each carry out one function.
这样,一个物种可以从拥有一个基因带有两种功能演变到拥有两个基因各自表达其中一种功能。
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