n.落叶
The defoliation was buoyed up by a rising air current. 那片落叶被一股上升的气流浮起。
Elaine plucked a twig from the offending japonica and set about its systematic defoliation with savage concentration. 埃莱恩从难看的山茶上折了个嫩枝，开始猛烈的收集系统的落叶。
