| 1. | There is only one inlet into the room . 只有一个通道进入这个房间。 |
| 2. | In humans and monkeys, there is only one uterus . 人和猴只有一个子宫。 |
| 3. | There is only one place left in the car park . 停车场里只剩一个位置了。 |
| 4. | There is only one queen in a hive of honey bees . 一个蜜蜂的蜂群中只有一只蜂后。 |
| 5. | There is only one answer to that . 那只有一个答案。 |
| 6. | There is only one lower-energy orbital in a cyclic system . 在环状体系中只有一个最低能量轨道。 |
| 7. | They have shown that there is only one anthocyanin in pseudotsuga . 他们还证明了黄杉只有一种花色素苷。 |
| 8. | In a double-acting engine there is only one piston per cylinder . 在双作用发动机中,每个汽缸里只有一个活塞。 |
| 9. | In birds, reptiles and many amphibians there is only one ossicle . 鸟类、爬行动物和许多两栖动物只有一块听小骨。 |
| 10. | The whole hall is filled with joy and laughter -- there is only one who feels distressful . 满堂欢笑,一人向隅。 |