| 单词 | biological agent |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔bioremediation〕The use of biological agents, such as bacteria or plants, to remove or neutralize contaminants, as in polluted soil or water.生物整治，生物除污：用生物制剂（如细菌或植物）清除或消除被污染的土壤或水中的污染物美国传统〔bioterrorism〕The use of biological agents, such as pathogenic organisms or agricultural pests, for terrorist purposes.生物恐怖活动：恐怖份子对生物制剂（如病原有机体或农业有害物）的利用美国传统 |
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