如题所述
第1个回答 2016-10-19
翻译：We should brush our teeth twice at least every day.
第2个回答 2016-10-19
We should brush our teeth at least twice a day.追问
如果最后用every day可以吗？谢谢
追答可以。
本回答被提问者采纳第3个回答 2016-10-19
We should brush our teeth at least twice a day, two times a day
