Presomite
[医] 体节前胚胎
🗣️ 情景例句
I said I'd give her an answer in a few days ...
我说这几天给她回答……
I finished my work at 6 p.m.
下午6点我下班了。
The brothers differ from each other in their interests.
这几个兄弟各有所好。