| 释义 |
jackknives是jackknife的复数 jackknife美 [?d?æk?na?f] 英 ['d?æk.na?f] - 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 第三人称单数：jackknifes 现在分词：jackknifing 过去式：jackknifed 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. | 1. a small knife with a blade that folds into its handle 2. a dive in which you jump high, touch your toes, and then stretch your legs out straight before entering the water with your hands and head first | v. | 1. if a truck or train jackknifes, it bends in the middle and its connected parts fold toward each other |
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