defoliants /di:ˈfəuliənts/ 📖 中文释义 n. <美>脱叶剂, 落叶剂( defoliant的复数形式 ) 🧩 词形变化 原形 defoliant 📘 English Definition(英文释义) n. a chemical that is sprayed on plants and causes their leaves to fall off ← defoliant defoliate →