詞語：defoliants
defoliants的解釋
defoliants[du:'fəuliənt]n. （美）落葉劑；脫葉劑
defoliants的意思
defoliants 脫葉劑;
defoliants的參考例句
1."Defoliants are highly toxic chemicals… easily carried in the air, " the health worker said. 該名醫療人員說：「脫葉劑是具高度毒性的化學物…容易在空氣中傳播。」
2.by spraying defoliant to control second instar larva, all the defoliants with 3 different concentrations could control the insects indirectly, and the effectiveness was as high as 95%; 通過施用脫葉劑處理葉片的方法來防治2齡若蟲，試驗所設3種濃度的脫葉劑均能間接起到防治作用，其效果均達到了95%以上。
3.The official diagnosis is acute respiratory disease, but some in the medical community are privately blaming the defoliants sprayed from planes to speed up the ripening of cotton plants. 官方的診斷分析這是一種急性呼吸道疾病，不過某些醫療人士私底下怪罪在飛機噴灑的脫葉劑上，這種藥劑用來加速棉花的成熟。