jackknifes

['dʒæknaif]

[ jackknifes ]

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, jackknife

a dive in which the diver bends to touch the ankles before straightening out

同义词：jackknife

动词 jackknife:

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

同义词：jackknife