They joined a moving line of marchers.

他们加入了行进者的行列。

youdao

youdao

What he is better remembered for is the introduction of the moving assembly-line in Detroit in 1913.

他更加令人铭记在心的是曾在1913年将流动生产线引入底特律。

《柯林斯英汉双解大词典》

Union forces attacked the moving line when they could.

VOA: special.2009.12.17

"During the last two days the contrabands fairly swarmed about the Fredericksburg and Falmouth Stations, and there was a continuous black line of men, women and children moving north along the road, carrying all their worldly goods on their heads.

VOA: special.2011.04.15

Just a few meters from the door is Riley Hunter, who says he has no idea what he wants to buy, and the line is moving fast.

VOA: standard.2010.02.17

Laval's solution starts with the FastPass, a free ticket that entitles the holder to join a faster-moving line.

FORBES: Hurry Up And Wait

The barely moving line was a full city block long, avenue to avenue.

FORBES: New York's New Voting System Is a Disaster

At least there would be no more waiting in a slow-moving line to get 30 seconds in front a celebrity author.

FORBES: OMG: Old Media Guilt