名词
中文翻译：Unknown
同义词：
['stammer', 'stammerer', 'gabble', 'babble']
例句：
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1. He's a motormouth who always talks too fast.
他是个口吃者，总是说得太快。
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2. She was a motormouth, but now she speaks clearly.
她以前是个口吃者，但现在说话很清晰。
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3. The motormouth was so loud that it drowned out the music.
那个口吃者说话声音太大，把音乐都淹没了。