Membranacea placenta

[醫(yī)] 膜狀胎盤

?? 詞語組成解析

placenta [pl?'sent?]
n. 胎盤,胎座;

??? 情景例句

You pick him up.
把他抱起來呀。
The bird that can sing and won't sing must be made to sing.
生來能唱的鳥,不愿唱也得叫它唱。
What are you doing?
你在干什么?
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