causing the leaves of trees and other plants to fall off (as by the use of chemicals)
造句
用作名詞(n.)
The defoliation was buoyed up by a rising air current. 那片落葉被一股上升的氣流浮起。
Elaine plucked a twig from the offending japonica and set about its systematic defoliation with savage concentration. 埃萊恩從難看的山茶上折了個(gè)嫩枝，開(kāi)始猛烈的收集系統(tǒng)的落葉。