toughened
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toughened
/ˈtʌfnd/
BNC频率: 33634
现代语料频率: 41221
中文翻译
v. （使某物[人]）坚韧, 坚强, 强硬( toughen的过去式和过去分词 )
英文解释
v make tough or tougher
a physically toughened
a made hard or flexible or resilient especially by heat treatment
词态变化
原型:toughen
变形:dp
过去式:toughened
过去分词:toughened
常见例句
1
v make tough or tougher a physically toughened a made hard or flexible or resilient especially by heat treatment
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