VERB
(植物)落葉;(動物)蛻皮
When a plant sloughs its leaves, or an animal such as a snake sloughs its skin, the leaves or skin come off naturally.
例句
All reptiles have to slough their skin to grow...
所有爬行動物生長過程中都要蛻皮。
The lemon geranium sloughs dry brown leaves at the base of its branches.
檸檬天竺葵枝條底部棕色的枯葉會脫落。