pivot

v 1 (a) [I, Ipr] ~ (on sth) turn (as) on a pivot （似）在枢轴上转动: The doll pivots at the waist and neck. 那洋娃娃的腰和颈可以转动. * She pivoted on her heels and swept out. 她一转身, 匆匆走了出去. (b) [Tn, Tn.pr] provide (sth) with a pivot; mount on a pivot 给（某物）安枢轴; 装於枢轴上. 2 (phr v) pivot on sth(no passive 不用於被动语态) (of an argument, etc) dependon sth central or essential; hinge on sth （指论证等）取决於某中心或要点, 随某事物而转移: The whole discussion pivots on this one point. 整个讨论内容均以此点为准.

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