下雨的时候，这条公路很危险。

Xiàyǔ de shíhou, zhè tiáo gōnglù hěn wēixiǎn.

When it rains, this road is very dangerous.

这条公路很长，也很直。

Zhè tiáo gōnglù hěn cháng, yě hěn zhí.

This road is very long and also very straight.

我们走公路去那个城市。

Wǒmen zǒu gōnglù qù nà ge chéngshì.

We will go to that city by road.