| 释义 |
jackknives是jackknife的复数 jackknife美 ['dʒæk.naɪf] 英 ['dʒæk.naɪf] - n.大折刀
- v.弯成 V 字形（如铰接货车失控时的弯折）
- 网络刀切法；折刀法；杰克刀
复数：jackknives 过去分词：jackknifed 现在分词：jackknifing 第三人称单数：jackknifes v. turn,skid,swerve,veer,swivel 1. | 大折刀a large knife with a folding blade |
1. | [i] 弯成 V 字形（如铰接货车失控时的弯折）to form a V-shape. For example if a lorry/truck that is in two partsjackknifes , the driver loses control and the back part moves towards the front part. |
n. | 2. a dive in which the diver jumps, bends the body at the waist while keeping the legs together and straight, then straightens out to enter the water headfirst 3. a knife that has a pivoted blade that fits inside the handle when it is not in use 4. a small knife with a blade that folds into its handle 2. a dive in which the diver jumps, bends the body at the waist while keeping the legs together and straight, then straightens out to enter the water headfirst 3. a knife that has a pivoted blade that fits inside the handle when it is not in use 4. a small knife with a blade that folds into its handle | v. | 1. to bend, or bend something, double or into an acute angle 2. to perform a jackknife dive 3. to lose control of the trailer of an articulated lorry as a result of sudden braking or swerving at speed, or for the trailer to go out of control, so that it swings around violently and ends up at an acute angle to the cab 4. if a truck or train jackknifes, it bends in the middle and its connected parts fold towards each other 1. to bend, or bend something, double or into an acute angle 2. to perform a jackknife dive 3. to lose control of the trailer of an articulated lorry as a result of sudden braking or swerving at speed, or for the trailer to go out of control, so that it swings around violently and ends up at an acute angle to the cab 4. if a truck or train jackknifes, it bends in the middle and its connected parts fold towards each other |
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