n.大型折合式刀；镰刀式跳水
vt.使弯曲；用折刀切
vi.屈身；折叠
过去式：jackknifed
过去分词：jackknifed
现在分词：jackknifing
第三人称单数：jackknifes
jackknife英英释义
Noun
a large knife with one or more folding blades
a pe in which the per bends to touch the ankles before straightening out
Verb
pe into the water bending the body at the waist at a right angle, like a jackknife
jackknife例句
用作不及物动词(vi.)
The results show that the vehicle tends to rollover on the high friction-coefficient road, while the vehicle tends to yaw and jackknife on the low friction-coefficient road.
结果表明，重型半挂车辆在附着系数较高的良好路面上容易发生侧倾失稳，而在附着系数较低的湿滑路面上则更容易发生横摆和折叠失稳。
jackknife近义词
turn
skid
swerve
veer
swivel
twist
clasp knife

jackknife