Embryologic
a. 胚胎学
🗣️ 情景例句
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
It's hot this afternoon.
今天下午很热。
But who will do all the house work?
但是这些家务活谁来做呢？