请输入您要查询的英文单词:
单词
toughen
释义
tough·en
AHD
[tŭfʹən]
D.J.
[ˈtʌfən]
K.K.
[ˈtʌfən]
v.tr.intr.
(及物动词和不及物动词)
tough.ened, tough.en.ing, tough.ens
To make or become tough.See Synonyms at
harden
使坚强:使或变得坚强、强硬、强壮、坚韧 参见
harden
Related Forms
继承用法
toughʹener
n.
(名词)
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更新时间:2025/5/26 11:00:06