动词短语
中文翻译：按名呼唤
同义词：
['call out', 'call upon', 'summon']
例句：
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1. Theteacher called the students to attention before theclass began.
老师在上课前叫学生注意。
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2. She called her friend over to joinin the conversation.
她叫她的朋友过来加入谈话。
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3. The leader called for volunteers to helpwith the cleanup.
领导号召志愿者帮忙清理。