| 1. | A janitor is standing behind the screen .
一个看门人站在银幕背面。 |
| 2. | You may continue on the other side of the paper ..
你可在纸的背面继续。 |
| 3. | Our antipodes sleep while we wake .
我们醒着的时候，我们地球背面的人却在睡觉。 |
| 4. | There were a few natural caves on the reverse slope .
背面坡上有几个天然的山洞。 |
| 5. | Feliks saw the crest on the back of the envelope .
费利克斯看了看信封背面的顶饰。 |
| 6. | He jotted on the back of the salesman's pad .
他顺手拿起售货员的本子，在背面草草写下一句话。 |
| 7. | He sketched a little map for me on the back of my invitation .
他在请柬的背面画了一张小小的地图。 |
| 8. | He connected metallic wires to the back and the underside of an electrical fish .
他在电鱼的背面和底面联上金属线。 |
| 9. | When the moon is behind the earth, how can the sun illuminate it at all ?
当月球处于地球的背面时，太阳究竟怎么会照到它呢？ |
| 10. | Clusters of tiny insects called aphides were to be found on the underside of the leaves .
树叶的背面布满了一簇簇叫作蚜虫的小虫。 |
