Leucoxides
白氧化物类
🗣️ 情景例句
Remember our fishing trips?
还记得我们以前那些钓鱼之行吗？
How often do you go swimming?
你多久去游一次泳？
I suddenly felt very worried, but could not say anything.
我突然非常着急起来，但却什么也说不出来。