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单词 棘爪
例句 DEFINITIVE EXAMPLES 权威例句〔pawl〕A hinged or pivoted device adapted to fit into a notch of a ratchet wheel to impart forward motion or prevent backward motion.掣爪,棘爪:一种枢轴或转轴器械,能与齿轮缺口或齿间吻合来前进或防止后移美国传统〔ratchet〕A mechanism consisting of a pawl that engages the sloping teeth of a wheel or bar, permitting motion in one direction only.棘轮,棘爪:一种包含合于转轮或长条倾斜性齿轮中的爪状物的机械,使轮仅向一个方向运动美国传统〔ratchet〕The pawl, wheel, or bar of this mechanism.棘轮,棘爪,棘条:这种机械装置中的爪状物,转轮或长条美国传统
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更新时间:2025/2/22 16:17:40