·2,447,543篇论文数据，部分数据来源于NoteExpress
Police used tear gas to disperse the demonstrators.
警察动用了催泪瓦斯来驱散示威人群。
《柯林斯英汉双解大词典》
Scores of police and state troopers, some in riot gear, tried to clear the streets, and some officers used pepper spray to disperse demonstrators.
BBC: Joe Paterno exit sparks Penn State fans riot
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