动词短语中文翻译
中文翻译：持续敲打
同义词：
['pound', 'beat', 'hammer']
例句：
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1.The painter was hammering away at the canvas with great enthusiasm.
画家非常热情地在画布上敲打。
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2.She hammered away at her work until it was done.
她一直工作到完成为止。
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3. The carpenter hammered away at the wood to make it stronger.
木匠敲打木头使其更坚固。