footbridges什么意思解释

In a crowded place like Hong Kong, footbridges mainly function for road - crossing.香港生活环境挤迫, 行人天桥的功能主要是供行人横过马路.There are also two supports and connections to receive future footbridges.亦有两个支座及连接点接驳日后的行人天桥.Three pedestria...

footbridges的音标：...