picket line

n.

哨兵线；警戒线；纠察线；拴马索

复数：picket lines

More UCLA Commencement Speakers Cancel in Support of Workers
2 week strike called at 4 SF hotels
Picket line
Picket Line
Picket Line
Theology, therapy or picket line? what's the ‘good’ of reflective practice in management education?
Difficult Choices: Crossing the Picket Line during the 1987 National Football League Strike
The Picket Line Online: Creative Labor, Digital Activism, and the 2007–2008 Writers Guild of America Strike
Averting the Gaze: Gender and Power on the Perfumed Picket Line
Crossing the line: The determinants of picket line crossing during a faculty strike