英语词汇“toughen”是什么意思，“toughen”的读音、用法及例句翻译-烛光网

词汇	toughen
释义	tough·en AHD[tŭfʹən] D.J.[ˈtʌfən]K.K.[ˈtʌfən]v.tr.intr.（及物动词和不及物动词）tough.ened, tough.en.ing, tough.ens To make or become tough.See Synonyms at harden 使坚强：使或变得坚强、强硬、强壮、坚韧参见 harden Related Forms继承用法toughʹener n.（名词）
随便看	coessential coetaneous coeteris paribus coeternal coeternity Coeur d'Alene Coeur d'Alenes Coeur de Lion coeval coevals coevolution coexist coextend coextensive cofactor C of C. C of E. coffee COFFEE coffee break coffeecake coffeehouse coffeehoused coffeehouses coffeehousing

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