latch基本解释
n.门闩；碰锁；弹簧锁
v.上闩；缠着；明白
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过去式: latched 过去分词: latched 现在分词: latching 第三人称单数: latches
n.门闩；碰锁；弹簧锁
v.上闩；缠着；明白
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过去式: latched 过去分词: latched 现在分词: latching 第三人称单数: latches
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,
Someone pushed the door but the latch was on, and he had to knock.
出自：B. BehanI have words That would be howl'd out in the desert air, Where hearing should not latch them.
出自：Macbeth,ShakespeareThe shutters of the hut were down and latched.
出自：P. Theroux
