| 1. | She turned a pirouette on the ice . 她在冰上做了个单足旋转动作。 |
| 2. | The bird picked a hole in the ice with its beak . 那鸟在冰上啄出了一个洞。 |
| 3. | The climbers cut steps in the ice . 登山者在冰上凿出踏脚处。 |
| 4. | The car went into a slide on the ice . 汽车在冰上打滑。 |
| 5. | They had to cut steps in the ice as they climbed . 他们往上爬时得在冰上凿出踏脚处。 |
| 6. | It was crazy of you to go skating on such thin ice . 到这样薄的冰上溜冰,你真是疯了。 |
| 7. | The car skidded on the ice . 汽车在冰上打滑了。 |
| 8. | The mountain climber could not find many footholds on the melting ice . 登山者在融化的冰上找不到多少立足之处。 |
| 9. | One man goes over the ice, which bears him, and a score who follow flounder in . 一个人可能在冰上安然通过,跟在他后面的几十个人却掉进了水底。 |
| 10. | A hockey player who is skating at a speed of 5m/s falls and slides along the ice for 20m before stopping . 一个冰球运动员在溜冰速率为5米秒时跌倒在冰上,滑了20米才停下。 |