jackknife
jackknife
(pl. -knives)
(pl. -knives)
- a large knife with a folding blade
折叠刀 - a dive in which the body is first bent at the waist and then straightened
屈体跳水 - (Statistics)a method of assessing the variability of data by repeating a calculation on the sets of data obtained by removing one value from the complete set
(统计)刀切法，折刀法
- [with obj.]move (one's body) into a bent or doubled-up position
屈身 ，弓腰
the Major jackknifed his thin body at the waist.
少校弓着瘦弱的身体。
[no obj.]she jackknifed into a sitting position.
她屈身坐下。
■[no obj.](of an articulated vehicle) bend into a V-shape in an uncontrolled skidding movement
（拖车）（因制动失控而）折成V形
■[no obj.](of a diver) perform a jackknife
（跳水运动员）作屈体跳水
热门查询
- finfooted adj.蹼足的，有蹼的
- finger n.手指,指状物,指针 vt.伸出,告发,用手指触摸 vi.用手指触摸,拨弄
- fingerboard n.（钢琴，风琴的）键盘，（提琴的）指板,指路牌,尖形指示牌
- fingerbreadth n.指宽，指幅（约为3/4英寸到1英寸宽）
- fingered adj.有指的，指状的
- fingerfish n.海星
- fingerful n.（用一个或两个指头所取的）一点儿东西，一撮，少量
- fingerhold n.以指支持，微弱的支持
- fingerindex n.指示用的指形符号
- fingering n.用指摸弄,抚弄,捻弄,用指弹奏
- fingerlike adj.指状的
- fingerling n.小东西，一指长的小鱼，极小之物,鱼秧,鱼种
考试词汇表
