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n.防范；预防措施；预警（precaution的复数）
1、precautious───adj.警惕的；谨慎的
2、precaution───n.预防，警惕；预防措施；vt.警惕；预先警告
3、recaution───改判
4、precautional───预防的
5、predations───n.捕食；掠夺
6、imprecations───n.祈求；诅咒；咒语
7、precautionary───adj.预防的；留心的；预先警戒的
8、recautions───撤销
9、preparations───n.准备（preparation的复数）；准备工作
1、is clearly prudent to take all precautions.───采取一切防范措施显然是慎重的。
2、You must take all reasonable precautions to protect yourself and your family.───你必须采取一切合理的预防措施，保护自己和家人。
3、As he began to befriend them he took all precautions.───开始和那两个姑娘接近时，他采取了一切防备措施。
4、The best remedy is either to limit the use of the offending substance or to take extra precautions, like wearing protective clothing.───最好的治疗是限制使用刺激性物质，或者采用额外的防护，如穿防护衣。
5、Some precautions should be easy to implement, like requiring methanol to be sold coloured and scented so that it can be easily recognised.───一些预防措施应该易于执行，例如要求给销售的甲醇上色并且有气味，这样就易于辨认。
6、Precautions: Do not breath the dust particles as it will irritate the throat, nose, lungs, eyes and skin.───注意事项：不要吸进灰尘，因为它会刺激咽喉，鼻子，肺部，眼睛和皮肤。
7、Take precautions against trying to fill a control from a recordset with a large number of records.───使用包含大量资料录的资料录集填入控制项时要特别小心。
8、We didn't take any precautions and I got pregnant.───我们没有采取任何避孕措施，所以我怀孕了。
9、So study arid make effective precautions and crack strongly terrorist activities are the vital tasks for the police of every country.───研究制定有效的防爆对策，有力地打击KongBuZhuYi活动，是各国警方的当务之急。
1、We didn't take any precautions and I got pregnant.
2、They took precautions against fire.
3、These precautions have been judged inadequate.
4、Fire precautions were neglected.
5、We need to take some precautions.
6、Doctors are legally obliged to take certain precautions.
7、They failed to appreciate significance of the precautions.
8、Safety precautions are observed as a matter of course.
9、Precautions had to be taken to prevent pilfering.