伦敦铁桥已垮。

London Bridge has fallen down.

我们穿过了蜿蜒小溪上的一座小铁桥。

We crossed a small iron bridge over a meandering stream.

长长一条龙，走路轰隆隆，遇水过铁桥，遇山钻山洞。

It is like a long dragon, it makes a rumble sound when it walks. it will run on a iron bridge when come across a river and drill cave when come across a mountain.

舅母伙同“造反兵团”拉拢腐蚀小帆，唆使他成了“造反派”的典型，炸毁了铁桥。

Aunt in collusion with " rebellious corps " hook in corrodes little sail, abet he was become " rebel group " typical, blew up iron bridge.