1.两用桥:dual functional bridge
2.南京长江大桥:Nanjing Yangtze Bridge
3.中国设计的:Chinese-designed
【1】第一段
【2】第二段
1.
2.
枢纽:hub
3.
facilitate -- make it easy -- bring convenience to 促进
play a role in 起作用
promote 促进