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环境
environment; surroundings; condition; setting; circumstance; medium; habitat; milieu; context; atmosphere; ambience; vibe; environmental; ambient
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无害的
inoffensive; harmless; innocent; sackless; hurtless; innocuous; unharmful; unoffending
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杀虫剂
pesticide; insecticide; biocide; bug spray; insect killer; vermifuge; helminthic

中英释义: