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n.
大型折合式刀；鐮刀式跳水
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vt.
使彎曲；用折刀切
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vi.
屈身；折疊
Noun:
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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
Verb:
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dive into the water bending the body at the waist at a right angle, like a jackknife
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用作不及物動詞 (vi.)
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The results show that the vehicle tends to rollover on the high friction-coefficient road, while the vehicle tends to yaw and jackknife on the low friction-coefficient road.
的結果表面，大型半掛輛在黏附指數較高的順暢地基上便捷再次情況側傾失穩，而在黏附指數較低的濕滑地基上則更便捷再次情況橫擺和拆疊失穩。
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往上項目獨門構思，受學術專利自我保護，侵犯著作權必究
海詞字典，二十七年牌子
美
['d??kna?f]