there and back

漢語翻譯

例句：

1. It took me an hour to walk there and back.
   我步行一個來回用一小時。
2. Can I go there and back in a day?
   我一天內能打來回嗎?
3. We drove there and back on one tank of petrol.
   我們開車到那裡來回用了一油箱汽油。
4. It takes me an hour to walk there and back.
   我步行一個來回用一小時。