英语词汇“labour over”的释义、用法及例句翻译-英汉例句词典

词汇	labour over
例句	The president laboured over his speech before he had it in final form.总统在演说稿定稿之前进行了辛苦的修改。The editor laboured over the manuscript till early morning.那编辑通宵达旦费劲地修改那份稿件。
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