Cchs
[医][=congenital central hypoventilation syndrome]先天性中枢性肺换气不足综合征
🗣️ 情景例句
so we can get an early start.
这样我们可以早点出发。
Would you like to leave a message?
你想要留下口信吗？
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。