英语翻译：我们必须每天刷两次牙来保持它们强壮。 We must brush our teeth twice a day to keep them strong.
写一遍有关保护牙齿的英语作文，题目要求是 1.一天至少刷两次牙，最好 National Day There are many festivals in China，but I love National Day best.Why Firstly，during National Day we can have seven days off.We can go shopping，visit our friends，go to some interesting places and so on.Secondly，I love my motherland very much.China is a great country.The Chinese people are brave and hard-working.I am sure in the future China will be richer and stronger.中国有许多节日，可是我最爱国庆节。为什么？首先，国庆期间我们能放七天假。我们可以购物、访友、游览名胜等等。第二，我很爱我的祖国。中国是一个伟大的国家，中国人民勤劳、勇敢。我相信将来中国会更富强。
每天至少要刷两次牙”英语怎么说 Brush your teeth twice a day at least
你多久刷一次牙的英语翻译还有，我一天刷三次的翻译
