jackknife 详细解释

jackknife

['dʒæknaif]

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

词形变化

动词过去式: jackknifed | 动词过去分词: jackknifed | 动词现在分词: jackknifing | 动词第三人称单数: jackknifes |

英英释义

名词 jackknife:

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

动词 jackknife:

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

补充

jackknifejackknife英:[ˈdʒæknaif] 美:[ˈdʒækˌnaɪf]n.1.折叠刀v.1.对折,用折叠刀切

例句

1. He jackknifed his body into the driver's seat.他曲着身子坐到了驾驶员位置上。 2. the Major jackknifed his thin body at the waist.少校弓着瘦弱的身体。 3. [no obj.]she jackknifed into a sitting position.她屈身坐下。 4. The truck jackknifed on the icy road.卡车在结冰的路面上弯成了V形。