defoliant
US /ˌdiːˈfoʊ.li.ənt/
UK /ˌdiːˈfəʊ.li.ənt/
名词
落叶剂
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
示例:
•
The military used a powerful defoliant to clear dense jungle areas.
军队使用强效落叶剂清理茂密的丛林地区。
•
The long-term effects of the defoliant on the environment are still being studied.
落叶剂对环境的长期影响仍在研究中。