| 1. | My assistant will operate the tape-recorder . 我的助手将操纵录音机。 |
| 2. | These four causes do not operate singly . 这四个原因并不单个起作用。 |
| 3. | The college is not operated for profit . 这所大学不是为了营利而办的。 |
| 4. | Businesses operate in a number of environments . 商业的环境错综复杂。 |
| 5. | All summer and all fall i've operated . 整个夏季和秋季我都在开刀。 |
| 6. | Several causes operated to bring about the war . 那场战争的起因有几个。 |
| 7. | I would never learn to operate those machines . 我永远也别想学会开床子。 |
| 8. | The oven operates on the air-bath principle . 恒温槽工作基于空气浴原理。 |
| 9. | The whole apparatus operates under high vacuum . 整个装置在高真空下运转。 |
| 10. | Our factory operates round the clock on three shifts . 我们厂日夜三班倒。 |