Amnioembryonic
[医] 羊膜胚的
🗣️ 情景例句
This is fun.
很有意思。
It is easier to raise the devil than to lay him.
养虎易，驯虎难。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。