除蟲菊花 的英文怎麼說
中文拼音 [chúchóngjúhuā]
除蟲菊花
英文
pyrethrum flowers-
An insecticide derived from a plant, e. g. pyrethrum ( from chrysanthemum flowers )
3來源於植物的殺蟲劑,例如除蟲菊(來源於菊花) 。Natural pyrethrins is a botanical insecticide made from extracts of chrysanthemum flowers while pyrethroids such as s - bioallethrin, cypermethrin, permethrin and cyfluthrin are its synthetic chemical analogues
天然除蟲菊素是一種從菊花提煉的植物性殺蟲劑,而擬除蟲菊酯是類似天然除蟲菊The output of some export crops, notably cashews, cotton, and pyrethrum, fell drastically.
有幾種出口農作物,特別是腰果、棉花和除蟲菊的產量大幅度下降。
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