n.门闩,弹簧锁
vt.& vi.闩上,用碰锁锁上(门等),抓住,占有
You left the latch off the gate and the dog escaped.
你没把门闩插上,所以狗跑了。
Foley followed Albert through the gate, taking care to close the latch.
福利跟着艾伯特穿过大门,特意将门闩插好。
Let yourself in; the door's on the latch.
你自己进来吧,门没上锁。