overpasses的读音 overpasses中文意思

读音 
n. 立交桥,天桥,高架道路( overpass的名词复数 )
overpasses 用法和例句
There is also a related issue involving highway overpasses .
还有一个问题是与高速公路立交桥相关的。
There are more and more overpasses in big cities .
大城市里立交桥越来越多.
I also find more overpasses and elevated highways have been built .
我也发现建造了更多人行天桥和高架道路。
We can see signs of modern overpasses in this ancient bridge .
我们能从这座古桥上看到立交桥的影子。
Is that why they 're constructing so many underpasses , overpasses and highways ?
那就是他们建这么多天桥、地下通道和公路的原因吗?