Ahi
[医][=american health institute]美国卫生学会
🗣️ 情景例句
I take this threat very seriously.
我认为这种威胁非同小可。
I haven't the slightest idea what you're talking about.
我一点也不知道你在说些什么。
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。