路灯的英文是：street lamp；

例句：

1、这条街上没有照明的路灯。

翻译：No streetlights illuminated the street

2、埃迪把他的自行车靠在路灯柱上，用挂锁锁好。

翻译：Eddie parked his cycle against a lamp post and padlocked it.

3、路灯在黄昏时开启。

翻译：The street lights come on at dusk.

4、你和路灯一起亮了。

翻译：Because you are lit up with street lights.

5、我看到一盏路灯。我有主意了！

翻译：I see a street lamp. I have an idea!