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jack-knife的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 jackknife:
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a large knife with one or more folding blades
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a dive in which the diver bends to touch the ankles before straightening out
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dive into the water bending the body at the waist at a right angle, like a jackknife
jack-knife的用法和樣例：
例句
- A heavy lorry has jack-knifed on the motorway, causing long delays.
一輛重型鉸接貨車在高速公路上撞成V字形，耽擱了很長時間。
