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1·Heavy industry pollutes our rivers with noxious chemicals.

重工业排放的有毒化学物质污染着我们的河流。《柯林斯英汉双解大词典》

2·These noxious substances limit caterpillars' growth and reduce the number of eggs that female moths lay.

这些有毒物质会限制毛毛虫的生长，减少雌蛾产卵的数量。

3·Skunk, a noxious liquid mixture of nontoxic ingredients including baking powder and yeast, is blasted onto protesters from a water cannon.

臭鼬，一种由发酵粉和酵母等无毒成分混合而成的有毒液体，从高压水枪喷到抗议者身上。

4·Another experiment showed that house sparrows consumed less red food after they observed others eating red food that was treated so as to be noxious.

另一项实验表明，家养麻雀在观察到其他麻雀吃红色的食物以致有毒后，会吃更少的红色食物。

5·Although recent years have seen substantial reductions in noxious pollutants from individual motor vehicles, the number of such vehicles has been steadily increasing.

虽然近年来机动车排放的有害污染物大幅减少，但机动车的数量一直在稳步增加。

6·Their behaviour was noxious.

他们的行为令人生厌。《柯林斯英汉双解大词典》

7·Many household products give off noxious fumes.

很多家用产品散发有害气体。《柯林斯英汉双解大词典》

8·Sherwin's recent experiments with domestic hens do not support the notion that avian social learning necessarily facilitates aversion to novel foods that are noxious or toxic.

Sherwin 最近对家养母鸡的实验并不支持这样一种观点，即鸟类的社会学习必然会促使它们对有害或有毒的新食物产生反感。

9·Constant moisture and noxious chemicals ruin displays.

持续散发出的湿气和有毒化学物质会毁坏展品。

10·Emissions of greenhouse gases and other noxious chemicals are a worry.

温室气体和其他有毒化学品排放令人忧心。

(1)noxious gas有害气体

(1)noxious fumes有毒炮烟