n.大型折合式刀；鐮刀式跳水
vt.使彎曲；用折刀切
vi.屈身；折疊
過去式：jackknifed
過去分詞：jackknifed
現(xiàn)在分詞：jackknifing
第三人稱單數(shù)：jackknifes
jackknife英英釋義
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
用作不及物動(dòng)詞(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.
結(jié)果表明，重型半掛車輛在附著系數(shù)較高的良好路面上容易發(fā)生側(cè)傾失穩(wěn)，而在附著系數(shù)較低的濕滑路面上則更容易發(fā)生橫擺和折疊失穩(wěn)。
jackknife近義詞
turn
skid
swerve
veer
swivel
twist
clasp knife