英语词汇“toughens”的意思、释义、用法解释及翻译-春雷网

词汇	toughens
释义	请查阅词条：toughen
随便看	thirst thirst after thirsted thirster thirsters thirst for thirst for thirst for thirst for/after thirst for/after thirstful thirstier thirstiest thirstily thirstily thirstiness thirstiness thirstinesses thirsting thirstland thirst-making thirst-provoking thirst quencher thirst quencher thirst-quenching

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