n. 门闩线路；插销（latch的复数形式）

n spring-loaded doorlock that can only be opened from the outside with a key
n catch for fastening a door or gate; a bar that can be lowered or slid into a groove
v fasten with a latch

latches的用法和样例：

例句

He's a bit slow but in the end he latches on.他有点迟钝，但毕竟还能理解。
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。

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万花筒2010年

60秒科学:先进啊,古代就有了四环素

Evidence mounts that ancient Nubian brewers purposely made beer so that it contained a dose of antibiotic tetracycline. Christopher Intagliata reports 有证据表明努比亚的啤酒制造者故意在啤酒中加入抗菌四环素。 In 1980, a sci

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60秒科学

SSS 2010-09-06

In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing greena hallmark of the antibiotic tetracycline. The drug latches onto calcium and gets deposited in bone. Nothing unusual. Except these bone

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Scientific American(九)月

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Photos as Window on the World 照片成了解世界的窗口 LOS ANGELES Photography offers a window on the world, and a recent photo exhibition shows how the camera is bringing people together globally. Artist Joy Feuer is arranging an art installat

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VOA标准英语2014年(一月)

科学美国人60秒 SSS 2014-09-15

Sepsis is a potentially deadly inflammatory condition caused by infections. Muppet creator Jim Henson was a famous victim. Proper treatment of sepsis can require knowing what bacteria or virus caused the infection. But the identification can take day

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2014年Scientific American(九)月

英语听力：自然百科地中海净化行动

Volcanoes forged the rocky coast of Cabo de Gata in southeast Spain. But the tides blanket it with reef-like structures built by snails. An algine marine biologist Diego Moreno says this sea of life can be deadly. Filth and contaminants accumulate on

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自然百科2008年

老友记精校版第1季第17期:参加助产培训班(5)

Monica: Actually, we were going to have lasagna. 实际上，我们本来是要吃千层面的。 Mr. Geller: oh, I love lasagna. 哦，我喜欢千层面。 Monica: But now we are not having it. 不过我们现在没有了。 Mrs. Geller: Then why y

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英语听力文摘 English Digest

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学英语单词

2-amino-4-hydroxy-6-hydroxymethyldihydropteridine

boom lowering equipment