那座桥不够坚固，不能支撑重型卡车。
用手脚支撑，提臀上挺成“桥”状。
With thumbs and support, carry buttock is on a "bridge" shape.
桥由石墩支撑着。
桥由三座桥墩支撑著。
重庆的这座桥的较低的部位将用来支撑一条轻轨线路。
The lower part of this bridge in Chongqing will support a light rail line.
比如，有一座桥在水中有支撑物。
桥的中段由两个巨大的桥塔支撑着。
The middle part of the bridge is supported by two huge towers.
桥的中段由两个巨大的桥塔支撑着。
The middle part of the bridge is supported by two huge towers.
应用推荐