单词	latch
释义	noun | verb latchlatch1 /lætʃ/ noun [countable] a small metal or plastic object used to keep doors, gates, windows, etc. closed noun | verb latchlatch2 verb [transitive] Etymology ETYMOLOGYlatch2 Origin: Old English læccan Verb Table VERB TABLE latch Simple Form Present I, you, we, they latch he, she, it latches Past I, you, he, she, it, we, they latched Present perfect I, you, we, they have latched he, she, it has latched Past perfect I, you, he, she, it, we, they had latched Future I, you, he, she, it, we, they will latch Future perfect I, you, he, she, it, we, they will have latched Continuous Form Present I am latching he, she, it is latching you, we, they are latching Past I, he, she, it was latching you, we, they were latching Present perfect I, you, we, they have been latching he, she, it has been latching Past perfect I, you, he, she, it, we, they had been latching Future I, you, he, she, it, we, they will be latching Future perfect I, you, he, she, it, we, they will have been latching to fasten a door, window, etc. with a latchlatch onto somebody/something phrasal verb informal1to decide that an idea or practice that someone else is using is very good, and start using it or doing it yourself:  A few doctors have latched onto the idea of using natural medicines.2to follow someone and keep trying to get his or her attention, especially someone who would prefer to be left alone:  He latched onto me at the party.3to pay a lot of attention to someone or something, because you think he, she, or it is important or interesting:  The press latches onto any story about the British royal family.4to bite or suck and not let go of someone or something
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