| 释义 |
jack-knife
['dʒæk.naɪf] verb intransitive
■If a truck which has two parts jack-knifes, one part swings round so far towards the other part that it cannot be driven 弯成V字形（如铰接货车的弯折）•The oil tanker jack-knifed after skidding on the ice.油罐车在冰上打滑，绞接的车身之间出现了弯折。
['dʒæk.naɪf] noun countable (plural jack-knives)
■a large knife with a blade which folds into the handle 大折刀 |