America's birth rate fell to a record low last year.
美国去年的出生率降到了创纪录的最低点。
The modern world record for giving birth is held by Leontina Albina from San Antonio, Chile.
现代生育孩子最高纪录保持者是智利圣安东尼奥市的利昂蒂娜·阿尔比娜。
We stayed in the room when they gave birth, so we could record the behaviour with a camera from very close distance.
当它们分娩时,我们就待在这个房间里,因此我们可以用一个摄像机近距离拍摄整个过程。
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