| 释义 |
jackknife/ˈdʒæknaif/ n. & v.●n. (pl. -knives) 1 a large clasp-knife 大折刀 2 a dive in which the body is first bent at the waist and then straightened 屈体跳水(先弯腰后直体) ●v. (-knifed, -knifing) 1 intr. (of an articulated vehicle) fold against itself in an accidental skidding movement (铰接式车辆)突然弯折 2 intr. & tr. fold like a jackknife (折刀似地)折拢，把…(折刀似地)折拢 3 intr. perform a jackknife dive 做屈体跳水 |