一辆车停在了我们的车旁边。

A car pulled up ___alongside ours.

数百万车辆在一条死河旁边的高速公路上行驶，那里几十年前曾经生机勃勃。

Millions of vehicles are moving on a highway ___alongside a dead river, where life flourished a few decades ago.

新建筑建在旧建筑旁边，形成了鲜明的对比。

The new building was constructed ___alongside the old one, creating a striking contrast.