释义
v.
open the fastening of; undo (something)
解开；松开；打开
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Allie stands before the mirror unfastening her earrings 艾莉站在镜子前解下耳环
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[as adj.
unfastened ]he had left the door unfastened .他没锁上门。
[no obj.]become loose or undone
解开；打开。