Mesembryo
[医] 中胚期, 囊胚曲
🗣️ 情景例句
We forgot to turn the oven on.
我们忘了开烤箱开关。
Your friend was here a week ago,wasn't he?
一个星期前，你的朋友曾在这里，是不是？
The winch was again put into operation and one of the men started up the truck.
绞盘机再次启动，一位工人发动了急修车的引擎。