1. I turned round.
    我回过头去

2. I turned round again.
    又一次回过头去，

3. I went on an excursion recently, but my trip took me longer than I expected.
    最近我作了一次短途旅行，但这次旅行所花费的时间比我预计的要长。

4. When the plane suddenly turned round and flew back to the airport.
    这时飞机突然调转头来，飞回了机场。

5. I grew a beard during the trip,
    我在旅行时留了胡子，

6. We´ll travel round the world and we´ll stay at the best hotels.
    我们就去周游世界，并且往最好的旅馆。

7. I turned round and saw that he was going to throw the book at me; I tried to avoid it, but it was too late.
    我转过身，看见他举起书朝我扔来，我往旁边一闪，但已经来不及了。

8. It takes about twenty minutes to walk all the way round the pyramid.
    绕金字塔走一圈需要20分钟左右。

9. I have learned to say to ring a bell, but to beat a gong; to attend a meeting but to join in a conversation; to take a walk but to make a trip or to go on a journey.
    我学会了用英语说“打铃”和“打锣”，“参加会议”和“参加谈话”，“散步”和“旅行”时要用不同的动词。

10. It takes our earth 365 1/4 days to travel round the sun.
    我们的地球需要三百六十五又四分之一天绕太阳公转一周，