| 词汇 | unavailing |
| 释义 | un·avail·ingBrE /ˌʌnəˈveɪlɪŋ/ NAmE /ˌʌnəˈveɪlɪŋ/ adjective (formal ) without success 徒劳的;无成果的SYN unsuccessful◆ Their efforts were unavailing . 他们的努力都付诸东流。 |
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