英语词汇“a tough (or hard) nut”的意思、释义、用法解释及翻译-春雷网

词汇	a tough (or hard) nut
释义	请查阅词条：nut
随便看	sub-lt subluminal subluminary subluminous sublunar sublunarean sublunarian sublunariness sublunary subluxate subluxate subluxation sub-machine gun submachine gun sub-machine guns submacroscopic sub-main subman sub-man submandibular submandibular gland submarginal submarginate submarginated submargined

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