Medlin
聚酰亚胺
🗣️ 情景例句
She's still giving the toughest English history exams
她仍用最艰深的英国史试题考学生
So far I have been learning about England.
到目前为止，我一直在研究有关英格兰的事情。
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？