Epidium
心外膜
🗣️ 情景例句
I'll do it. I'll talk to them.
我来做， 我去跟他们谈一谈。
Does he go out with the boy whose aunt is an operator?
与他在一起那男孩的姑妈是接线生。
The students followed Uncle Wang to see the other machine.
学生们跟着王大叔去看另一部机器。