defoliant
US /ˌdiːˈfoʊ.li.ənt/
UK /ˌdiːˈfəʊ.li.ənt/
名詞
落葉劑
a chemical sprayed on plants to make their leaves fall off, used especially in war to make it more difficult for an enemy to hide
範例:
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The military used a powerful defoliant to clear dense jungle areas.
軍隊使用強效落葉劑清理茂密的叢林地區。
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The long-term effects of the defoliant on the environment are still being studied.
落葉劑對環境的長期影響仍在研究中。