名词短语
中文翻译：嘴唇的颤抖
同义词：
['lip tremble', 'lip quaver例句：1. She was so nervous that her lips trembled.（她非常紧张，以至于嘴唇颤抖。）']
例句：
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1. She was so nervous that her lips trembled.
她非常紧张，以至于嘴唇颤抖。
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2. The speaker's voice shook as he spoke.
演讲者的声音颤抖着说话。
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3. His eyes filled with tears as he remembered the past.
他回忆起过去，眼泪盈眶。