picket line
示威(罢工)者的纠察线 (来源：老牌的英语学习网站 http://www.EnglishCN.com)

The United Automobile Workers union wielded its most potent weapon against General Motors yesterday, sending 73,000 workers to picket lines in its first national strike at G.M. since 1970.

picket  []  

1. (作栅栏或拴牲口等用的)尖木桩[P1]
   
2. 【军】警戒哨
   
3. 警戒队[G]
   
4. 巡逻艇;巡逻飞机
   
5. (工会罢工时的)纠察队员
   
6. 纠察队[G]
   

1. 用尖桩围起
   
2. 把(牲口)拴在尖桩上
   
3. 派...担任警戒哨[O]
   picket soldiers around a camp
   派士兵守卫兵营
4. 设警戒哨保卫,护卫
   
5. (举行罢工、抗议时)派...担任纠察[O]
   
6. 在...外设置纠察队
   

1. 担任纠察
   About twenty workers picketed outside the gate.
   约有二十名工人在大门外担任纠察。