n. picket
misc. maintain order at a public gathering
罢工的工人在工厂附近设置了纠察队。
Striking workers picketed the factory.
《牛津词典》
五名纠察队员被警方逮捕。
Five pickets were arrested by police.
没有人试图越过纠察线。
No one tried to cross the picket lines.
《柯林斯英汉双解大词典》
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