latch

noun

1. catch for fastening a door or gate
a bar that can be lowered or slid into a groove

2. spring-loaded doorlock that can only be opened from the outside with a key

Synonym: door latch

verb

1. fasten with a latch

e.g. latch the door

1. 门闩；插销
A latch is a fastening on a door or gate. It consists of a metal bar which you lift in order to open the door.

e.g. You left the latch off the gate and the dog escaped.
你没把门闩插上，所以狗跑了。

2. 碰锁；弹簧锁
A latch is a lock on a door which locks automatically when you shut the door, so that you need a key in order to open it from the outside.

e.g. ...a key clicked in the latch of the front door.
钥匙插进前门弹簧锁里发出咔嗒一声

3. 用闩闩上；用碰锁锁上
If you latch a door or gate, you fasten it by means of a latch.

e.g. He latched the door, tested it, and turned around to speak to Frank.
他把门锁上，又试了试，然后转身和弗兰克说话。

相关词组：latch onto

1. 锁扣：上周六做15000保养,师父说我的引擎盖很好开. 我在之前也有打不开情况,免费更换引擎盖下中间的锁扣(Latch)就没事了!

2. 闩锁：10.1 闩锁(latch)概述进程之所以不释放CPU而是绕着CPU旋转,是由于latch操作本身是一个很快速的动作,因此可能等一会就能获得latch了. 当进程一旦获得CPU,但是获得不了latch时,如果这时候立刻放弃CPU,那么需要进行上下文切换,

3. 锁存器：新增了介绍数字部件与模拟信号之间接口一章的内容,更新了故障定位等章节内容,使本书覆盖了数字系统设计的最新技术和进展情况. ..第6章 锁存器(Latch)与触发器(Flip-flop)

4. 闭锁：下面是关于信号量的一个典型例子:闭锁(latch)是指那些一旦获得某个值就再不变化的变量或者条件. 二元闭锁变量或者条件(通常就被成为闭锁)的值只能改变一次,即从其初始化状态到其最终状态. 和闭锁相关的并发控制技术封装在Latch类中,