Plumbage
[医]充填术
🗣️ 情景例句
I'll have vanilla.
我要香草的。
What kind of furniture do you like?
你喜欢什么样的家具？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。