| 1. | We travel in a small boat against the wind . 我们坐在顶风行驶的小船里。 |
| 2. | Radio waves travel in straight lines . 无线电波是直线传播的。 |
| 3. | He travels in carpets for a big london firm . 他为伦敦的一家大公司到处推销地毯。 |
| 4. | In a uniform medium light travels in straight lines . 在均匀介质中光沿直线传播。 |
| 5. | Your actors don't usually travel in character, do they ? 贵演员不大装扮着旅行吧? |
| 6. | They traveled in a westward direction . 他们往西走了。 |
| 7. | He travelled in the unexplored regions of the mind . 他遨游于那些未经探索的精神领域。 |
| 8. | This is the most favourable period for travelling in russia . 眼下是俄国最理想的旅行季节。 |
| 9. | He had many interesting experiences while travelling in africa . 他在非洲旅行时,有许多有趣的经历。 |
| 10. | Early in life we learn that light travels in straight lines . 早先在生活中我们就知道光是直线传播的。 |