Cars had lined up bumper to bumper.

汽车一辆接一辆地排着队。

youdao

Eventually the cars will be bumper to bumper on every road.

最后，每条路上的车子都会头尾相接。

youdao

Truckers: There will be "smart" lanes that enable computer-driven vehicles to travel bumper to bumper at high speeds.

卡车司机：将会有可供电脑驾驶的机动车一辆接一辆高速行驶的“智能”车道出现。

youdao

"Like if you say cars were bumper to bumper, that was what the ships looked like."

VOA: standard.2009.06.02

Cars are lined up in pairs, bumper to bumper, coated with a week-old layer of dust.

NEWYORKER: Baptizing the Gun

The road is very busy, bumper to bumper.

BBC: Viewpoint: Bad case of Baghdadophobia

Vincentric looks at the cost of zero-deductible, bumper-to-bumper extended-warranty claims to calculate the average cost owners can expect to pay for repairs.

FORBES