名词
中文翻译：问号
同义词：
['question mark', 'exclamation point例句：1. The question mark on the page is a symbol of uncertainty.（页面上的问号是一个不确定性的象征。）']
例句：
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1. The question mark on the page is a symbol of uncertainty.
页面上的问号是一个不确定性的象征。
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2. The teacher asked all the students to raise their hands.
老师要求所有学生举手。
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3. The book ends with a question that needs to be answered.
这本书以一个问题结尾，需要回答。