副词
中文翻译：无休止地
同义词：
['incessantly', 'ceaselessly']
例句：
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1.The marathon runner tirelessly pushed himself to the finish line.
马拉松跑者不知疲倦地一直跑到终点。
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2. She tirelessly worked on her project until it was perfect.
她不知疲倦地工作，直到她的项目完美无缺。
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3. The scientist tirelessly researched for hours every day.
这位科学家不知疲倦地每天研究几个小时。