音标:['pestɪsaɪdz] ;
n. 杀虫剂( pesticide的复数形式 ); 除害药物
n. a chemical used to kill pests (as rodents or insects)

pesticides的用法和样例:

例句

用作名词(n.)
  1. Many pesticides are highly toxic.许多杀虫剂毒性很大。
  2. Residues of pesticides can build up in the soil.残余的杀虫剂会在土壤中积淀起来。

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affinity preference
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