jackknifed单词基本解析：

v.对折，用折叠刀切( jackknife的过去式和过去分词 )
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
v.对折，用折叠刀切( jackknife的过去式和过去分词 )；

jackknifed变化用词：

jackknifed英英释义：

动词 jackknife:

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

同义词：jackknife

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

jackknifed中文词源：

jackknifed用法和例句：

jackknifed

Cilia jackknifed erect, her dark eyes blazing.

Cilia站直身体，黑色的眼睛里流光溢彩。

He jackknifed his body into the driver's seat.

他曲着身子坐到了驾驶员位置上。

As they come around a bend, a jackknifed truck blocks their path.

在一个拐弯处停了下来，一辆拖车挡住了去路。

It had jackknifed into a ditch and had to be abandoned by its crew.

大炮身管弯曲，扎在一道壕沟里，已被炮组丢弃。

Posada was up next, and with one strike, he drove a screamer to right, just foul. The next pitch jackknifed under his bat for strike three.

小波是下一棒打击者，一好球后，他打出支吓人的一击，但可惜是界外。而下一球，让小波挥棒三振他出局。

A truck that had jackknifed was blocking the road.

那辆被撞弯的卡车正堵塞着道路

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。

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