英语词汇“toughen”的读音、翻译、释义、用法及例句-开邑网

词汇	toughen
释义	toughentoughenD.J.:[ˈtʌfn]K.K.:[ˈtʌfən]vt. & vi.1.■(使某物[人])坚韧, 坚强, 强硬
随便看	blade natural frequency under rotation blade noise blade of aviation engine blade of diaphragm blade of grader blade of T-square blade of variable cross-section blade outlet angle blade paddle mixer blade passage blade pitch blade pitgh blade pivot blade plate blade plough blade plough soil stabilizer blade plough stabilized soil road-mixer blade point blade pressure blade profile blade profile drag coefficient blade profiling blader blade radius blade reference line

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