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pyrethrin

美[paɪ'reθrɪn],英[paɪ'riːθrɪn],

释义

n. 【化】除虫菊酯; 网络释义: 除虫菊素;除虫菊脂;拟除虫菊酯类农药;

例句

Spray a pyrethrin into the air when confined to a certain outside area.
当被限制在户外的一定区域时,往空气中喷洒一些除虫菊酯。
You can obtain a pyrethrin shampoo from your vet , who will instruct you in its use.
你可以从你的兽医那里得到这种除虫菊酯洗发剂,他会推荐你使用的。
It is mainly pyrethrin (pyrethroid) with 50 percent in the insecticides.
它们多属拟除虫菊酯类农药,占总数的50%;

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