| 1. | It is important to take stringent precautions against contamination in the lab .
必须特别注意实验室的污染。 |
| 2. | If sound seeds result, precautions against contamination must be tightened .
假如结了正常的种子，则防止混杂必须更严。 |
| 3. | Perhaps he obtained it as his last and utmost precaution against evil yesterday .
或许昨天他才得到它，以备万一，预防不测的。 |
| 4. | He is said to have ordered piles and other bridge timbers to be covered with olive oil as a precaution against decay .
他曾下令要将所有的桩木和桥梁都用橄榄油涂刷以预防腐朽。 |
| 5. | Having taken these precautions against surprise, he ascended to the top of the step ladder that he had laid against the door and sat down at ease .
做好这种戒备之后，他就爬到那座拦住门的短梯顶上，安心地坐了下来。 |
| 6. | As an additional precaution against the possibility of any of the men idling or wasting their time, each one was given a timesheet on which he was required to account for every minute of the day .
为了防止可能有人磨洋工和浪费时间，每个工人都要填写一张计工表，写明他每时每刻干了些什么，作为一种侧面的调查。 |
| 7. | Cognition and precautions against our national debts
对我国国债风险的认识及防范 |
| 8. | Precautions against basketball players ' knee injury
篮球运动员膝关节损伤与预防 |
| 9. | Researches on precaution against the crimes of juveniles
预防未成年人犯罪研究 |
| 10. | Precautions against moral crisis in market economy
市场经济行为中道德风险防犯探讨 |
