英语词汇a-hard-tough-nut-to-crack怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	a-hard-tough-nut-to-crack
释义	请查阅词条：a hard/tough nut to crack
随便看	protective suit protective tariff protective-tariff protective wall protector protectorate protectress protein protein aggregation protein-coding gene protein component protein component protein consumption protein content protein crystal protein crystal protein electrophoresis protein fragments protein fragments protein intake protein intake protein kinase protein powder protein-protein interaction protein shake

英汉双解词典包含207842条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。