jack-knifing

英 [d'ʒækn'aɪfɪŋ] 美 [d'ʒækn'aɪfɪŋ]

• n. 牵引机器相对拖拉机的转角

英英释义

动词 jackknife:

1. dive into the water bending the body at the waist at a right angle, like a jackknife