de·fo·li·ate /-liˌet/
(vt.)(vi.)(使)落葉
De·fo·li·ate De·fo·li·a·ted a. Deprived of leaves, as by their natural fall.
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defoliate
adj : deprived of leaves [syn: defoliated]
v : strip the leaves or branches from; "defoliate the trees with
pesticides"