释义 |
rachet 英'rætʃɪt美'rætʃɪt COCA²³⁷⁰²³ 基本英英近义反义例句 n. 防止倒转的棘齿vt. 使…一点一点移动或改变⁵⁰vi. 一步一步进行⁵⁰
Noun: mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction近义词 ratch棘轮ratchet棘轮 This type of rachet belongs to control type. 你好,这款羽拍属于控球型的。 www.yoger.com.cn |