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单词
unavailing
释义
un
·
a
·
vail
·
ing
/ˌʌnəˈveɪlɪŋ/
a.
徒劳的,一事无成的;无效的;无用的
unavailing
efforts
徒劳
un
·
a
·
vail
·
ing
·
ly
ad.
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更新时间:2026/7/21 2:10:26