picket line 罢工警戒线
picket fence 栅栏
cross the picket line 穿过罢工线
picket duty 警戒任务
strike pickets 罢工示威者
A: Why are there pickets outside the company?
A：为什么公司外面有示威者？
B: The workers are on strike and acting as pickets.
B：工人们正在罢工并担任示威者。
1) 工厂或企业外的罢工示威人员
2) 用于抗议或维权的守卫队伍
3) 阻止他人进入工作场所的群体行为
1. 在工作场所外进行罢工或抗议的示威者
2. 用于阻止或劝阻他人进入的人员
noun
1. people who stand outside a place, especially a workplace, to protest or prevent others from entering, often during a strike
Synonym: protester, striker