picketing

动词 picket:

1. serve as pickets or post pickets
   同义词：picket
2. fasten with a picket
   同义词：picket

1. Five pickets were injured in the scuffle.
   在混战中有五名罢工纠察队员受伤。
2. Some of the union members did not want to picket.
   工会的一些会员不想担任罢工纠察员。