There was widespread picketing of mines where work was continuing.

凡是在继续开采的矿区，都设置了纠察队。

柯林斯例句

" And my chaps were also there to prevent picketing!

“ 我的人也是防着女工们要拦厂!

子夜部分

" The reason why we got people in was to prevent the girls picketing ---- "

“ 我们叫了人是防备女工们拦厂的 —— ”

子夜部分

" We have to call people in to prevent the women picketing and stirring up trouble!

“ 我们叫了人来是防备女工闹事!

子夜部分