英语词汇toughening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	toughening
释义	请查阅词条:toughen
随便看	manurial manuring manus Manu Samoa manuscript manuscripts Manutius manward manwise Manx Manx cat Manxman Manxmen Manxmen Manx shearwater Manxwoman Manxwomen Manxwomen many many a mickle makes a muckle many and various many a one many a time manyatta manyattas

英汉双解词典包含368430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。