| 词汇 | untiring |
| 释义 | un·tir·ingBrE /ʌnˈtaɪərɪŋ/ NAmE /ʌnˈtaɪərɪŋ/ adjective (approving ) continuing to do sth for a long period of time with a lot of effort and /or enthusiasm 不知疲劳的；孜孜不倦的；坚持不懈的SYN tireless |
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