英语翻译1 饭前便后要洗手 Wash your hands before meals 后面部分怎么写准确点?2 我们 已

1.Wash your hands before meals or after toilets
2.How long we've been walking / driving / leaving?或
How many hours we've been walking / driving / leaving for?（walk / drive,取决于“走”字的含义,若只是笼统地讲可以用leave）
3.How far we've been leaving for?或
How many kilometers we've been leaving for (from the origin)?
4.We've been walking / driving / leaving for 3 hours / 3 kilometers.（同2）
5.Now here's 800 kilometers to Shanghai.
6.There's still 3 hours from here to Shanghai.
7.He goes for internet right after be back to home everyday.

1、Wash your hands before meals and after
2、We have gone how long ? / Gone for a few hours ?

3、We go far ? / How many miles away ?

4、We now go 3 hours / 3 km away

5 fr...