Chionanthin
[医] 北美流苏树素
🗣️ 情景例句
I know what you mean.
我懂得你的意思。
I told him last Tuesday.
我上个星期二告诉他。
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。