英语词汇“toughen”的读音、翻译、释义、用法及例句-智慧网

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	barrel printing barrel pump barrel radiator barrel raft barrel ratchet screw barrel roll barrel roof barrel roof ribs barrel saw barrels daily barrel-shaped distortion barrel shaped head rivet barrel shaped movement barrel shaped roll barrel-shaped spring barrel shell barrel shutter barrels per calendar day barrels per day barrels per month barrels per stream day barrel sprayer barrel stave barrel stud barrel switch

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