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Jackknife
01
折刀跳水, 刀锋式跳水
a dive in which the diver bends to touch the ankles before straightening out
02
折叠刀, 口袋刀
a large knife with one or more folding blades
to jackknife
01
违背, 违反
contrary to rule or accepted order or general practice
02
像折刀一样跳水, 像刀子一样跳入水中
dive into the water bending the body at the waist at a right angle, like a jackknife
03
折叠, 翻覆
(of articulated vehicles such as tractor trailer) to experience a loss of control where the front and rear parts of the vehicle fold together
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jackknife
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