你可以在出生的时候或出生后，成为美国公民。
You may become a U.S. citizen either at birth or after birth.
它可能是由于遗传引起的，在出生的时候就表现出来了。
在出生的时候，没有人能够绘制出并明确定义他的职业、目标和成就。
No one has their careers, goals, and accomplishments all plotted and well-defined at birth.
他开始长出细绒毛，或称作胎毛了，虽然只有一些会在出生的时候还保留着，现在它们却覆盖着他的身体。
He is beginning to shed the fine hair, or lanugo, that has covered his body, although some may remain at birth.
他开始长出细绒毛，或称作胎毛了，虽然只有一些会在出生的时候还保留着，现在它们却覆盖着他的身体。
He is beginning to shed the fine hair or lanugo that has covered his body although some may remain at birth.
在最近，研究员发现许多行为特征是个人神经大脑组织作用的结果，而个人神经大脑组织是在出生的时候就被决定了的。
And more recently, researchers have discovered that many behavioral traits are functions of individual neurological brain structure, determined at birth.
啄木鸟在啄木头的时候，每秒头部向树撞击20次，你估计觉得这样它会需要一个坚如钢铁的脑袋来得以生存，但事实上，啄木鸟的脑袋是相对较软的，每只啄木鸟在出生时，鸟喙后长有一个软的海棉状的物质，用来吸收啄木头时所产生的震动。
Instead, the reality is that woodpecker heads are relatively soft. Each bird is born with a soft, sponge-like mass behind its beak that absorbs the shock created by pecking.
我认为母亲(或者父亲)在与小婴儿玩耍的时候，婴儿很享受这种玩耍并且不知道父母在词语中表达着恨，也许是在出生的象征里。
I think of a mother (or father) playing with a small infant; the infant enjoying the play and not knowing that the parent is expressing hate in the words, perhaps in birth symbolism.
其实芳芳在出生只有四天的时候就已经发现了病情，可是家里的情况让孩子的父母不得不让孩子一直耽搁到现在。
In fact, Fang Fang was born only four days when the disease was discovered, but due to the poor family situation, Fang Fang's treatment has been delayed until now.
鲍尔的实验证明婴儿在出生大约18周的时候就培养了物体恒存性的感觉。
Experiments done by Bower suggest that babies develop a sense of object permanence when they are about 18 weeks old.
鲍尔的实验证明婴儿在出生大约18周的时候就培养了物体恒存性的感觉。
Experiments done by Bower suggest that babies develop a sense of object permanence when they are about 18 weeks old.
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