latchn.门闩；碰锁；弹簧锁v.上闩；缠着；明白latch jack打捞器latch mold针舌模具latch hook挂钩,锁钩,弹簧钩,掣子,卡子latch bolt碰簧销,弹键栓latch block闭止块latch lever闩锁杆latch-keyn.碰锁钥匙latch on tovt.注意听(理解)latch plate弹簧板,插销latch means锁存装置