Amniotic secretion
[医] 羊膜分泌
🧩 词语组成解析
a. 羊膜的\\n[医] 羊膜的
🗣️ 情景例句
A house, a car and a family, what else could one want?
一所房子，一辆车子和和个家，除此之外，夫复何求？
The best fish smell when they are three days old.
鱼过三天后，再鲜也变臭。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。