The remaining 423 students merely cleaned their teeth when they went to bed and when they got up in the morning.

剩下的423名学生只在上床睡觉和早上起床的时候刷牙。

youdao

The remaining 423 students merely cleaned their teeth when they went to bed and when they got up in the morning.

剩下的423名学生只在上床睡觉和早上起床的时候刷牙。

youdao