动词短语
中文翻译：Unknown
同义词：
['voice out', 'speak up', 'express oneself']
例句：
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1. Ineed to sound off about the new policy before it's implemented.
在政策实施之前，我需要发表对新政策的评论。
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2.The teacher asked us to sound off on our favorite books.
老师让我们就我们最喜欢的书发表看法。
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3. She sounded off loudly at the meeting about her concerns.
她在会议上大声表达了她的担忧。