Most people take less than a minute to brush their teeth, but this isn 't long enough to do a thorough cleaning.

大部分人只花了不到一分钟时间来刷牙，但从彻底的清洁的角度来说这是不够的。

youdao

Most people take less than a minute to brush their teeth, but this isn 't long enough to do a thorough cleaning.

大部分人只花了不到一分钟时间来刷牙，但从彻底的清洁的角度来说这是不够的。

youdao