Valerylene
[化] 2-戊炔\\n[医] 戊炔
🗣️ 情景例句
You want a hint?
需要提示吗？
My brother wants to learn how to drive a car.
我的兄弟要去学驾驶。
His parents did not know what was wrong.
他的父母亲不知道他有什么毛病。