toughen
名词: toughener 过去式: toughened 过去分词: toughened 现在分词: toughening 第三人称单数: toughens
toughen基本解释
v.变坚韧;变健壮;变顽固
toughen同义词
toughen相关例句
toughen英英释义
"This experience will toughen her"