jackknifes

jackknifes

美 [ˈdʒækˌnaɪf] 　英 ['dʒæk.naɪf]

• n.大折刀；屈体跳水法
• v.用大折刀切；(跳水等时)屈体
• 网络刀切法；折刀法；杰克刀

词形变化

复数：jackknives  第三人称单数：jackknifes  现在分词：jackknifing  过去式：jackknifed  

同义词

英汉解释

n.	1. 大折刀;屈体跳水法
v.	1. 用大折刀切 2. (跳水等时)屈体

英英解释

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