toughened的翻译,读音
英/ˈtʌfnd/
释义:
v. (使某物[人])坚韧, 坚强, 强硬( toughen的过去式和过去分词 )
v make tough or tougher
a physically toughened
a made hard or flexible or resilient especially by heat treatment
v make tough or tougher
a physically toughened
a made hard or flexible or resilient especially by heat treatment
词态
过去式 toughened过去分词 toughened
