| 1. | This collar acts as a kind of gasket . 这个翻边起一种密封垫的作用。 |
| 2. | Such sites act as metabolic sinks . 这些部位起着代谢废物库的作用。 |
| 3. | The bush acted as a cushion to my falling . 矮树丛缓冲了我的下跌。 |
| 4. | Sediments acted as a restricting control . 沉积层起着屏蔽的作用。 |
| 5. | He acted as pioneer in proposing the method . 他是率先创导这一方法的人。 |
| 6. | He was supposed to act as the marshal's aide . 他的职责是作指挥官的副官。 |
| 7. | It acted as the carrier of this disease . 它是这种疾病的媒介。 |
| 8. | I'll act as if nothing had happened . 我要装得若无其事的样子。 |
| 9. | Zigurd then acted as a reluctant interpreter . 祖格德当时不得已充当了口译。 |
| 10. | The fuse acts as a safety device . 保险丝起着保险装置的作用。 |