Theoffspringofapairofbirdsleavethenestwhentheyarebigenoughtofly.A.c

发布时间：2020-08-07 08:58:51

The offspring of a pair of birds leave the nest when they are big enough to fly.A.childrenB.ancestorsC.generationsD.mates

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A解析Offspring子孙、后代的意思
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