| 1. | The ship kept the buoy on her off side . 这船使浮标保持在船身向海的一边。 |
| 2. | Keep in visual signalling touch . 保持在看得见信号的距离中。 |
| 3. | Keep it within bounds . 请把它保持在限制范围内。 |
| 4. | This represents a steady growth rate of 4. 5 percent a year . 这意味着年增长率保持在45。 |
| 5. | In actual operation, the fuel is kept at an almost constant level . 在实际运行中,燃料几乎保持在一定的水平上。 |
| 6. | the air temperature over a large area remain at or below 0℃. 大面积上空的气温保持在0或0以下。 |
| 7. | There may be a need for retarding growth chemically to keep trees within bounds . 可能需要用化学剂抑制生长,使树冠保持在一定的范围内。 |
| 8. | The outer coil needs holding in position very carefully by means of a harness . 要使用一套定位夹具来精心地使外线圈保持在正确的位置上。 |
| 9. | The hot water is brought to a container where the pressure is kept below 0. 5 atmosphere . 热水引到压力保持在05大气压以下的扩容器中。 |
| 10. | She will engender difficult questions and to keep the conversation at a low temperature . 她会提出各种深奥的问题,使谈话始终保持在低温状态。 |