音标：[lætʃ]
n. 门闩
vi. 上闩, 抓住, 占有
vt. 闩上
【计】 门闩线路; 锁存器
在线英汉词典

latch的短语、例句：

latch n 1 fastening for a gate or door, consisting of a bar that is lifted from its catch, groove, hole, etc by a lever 门闩. 2 spring lock on a door that catches when the door is closed, and that needs a key to open it from the outside 碰锁; 弹簧锁. =>illus 见插图. 3 (idm 习语) on the `latch (esp of a door) closed but not locked （尤指门）关著但没上锁. latch, v 1 [I, Tn] be fastened or fasten (sth) with a latch 用门闩闩牢或用弹簧锁锁住（某物）
This door won´t latch properly. 这门闩不牢.
Please latch the front gate when you leave. 走时请把大门的碰锁锁好. 2 (phr v) latch on (to sth) (infml 口) understand an idea, sth said, etc 理解某想法、 说的话等
He´s a bit slow but in the end he latches on. 他有点迟钝, 但毕竟还能理解.
I haven´t really latched on to what you mean could you explain it again? 我没有真正明白你的意思--能不能再解释一下? latch on to sb (infml 口) become sb´s constant (and often unwelcome) companion 总与某人在一起（常为不受欢迎者）; 纠缠住某人
He always latches on to me when he sees me at a party. 他在聚会上一看见我就总是缠著我.