jackknifes

听听怎么读

[ˈdʒæknaifs]

是什么意思

对折，用折叠刀切( jackknife的第三人称单数 )；

英英释义

jackknife[ 'dʒæknaif ]

n.
- a large knife with one or more folding blades
  同义词：clasp knife
- a dive in which the diver bends to touch the ankles before straightening out
v.dive into the water bending the body at the waist at a right angle, like a jackknife

学习怎么用

双语例句

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。

权威例句

Five Killed as Army Transporter Jackknifes on M1
Five Die after Army Transporter Jackknifes on Motorway
SEMI JACKKNIFES ON BELTLINE AT RIMROCK ALL EASTBOUND LANES BLOCKED.(NEWS)
Slick Roads Keep State Troopers Busy; Truck Jackknifes on Turnpike
Truck driver pulled from burning vehicle; Big rig jackknifes in crash on I-10
Tractor-trailer jackknifes on Interstate 95, driver suffers minor injuries
Semi jackknifes in Diamond Bar; Sig Alert issued
Tanker jackknifes, spills gasoline on Donoe Road
Truck jackknifes, coils kill driver from Illinois
2 Killed in I-295 Traffic When Trailer Rig Jackknifes

j开头的单词