公路护栏是最重要的设施之一.的翻译：Highway guardrail is one of the most important facilities. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The road barrier is one of the most important facilities.

Highway guardrail is one of the most important facilities.

The road guard rail is one of most important facilities.

The road is the most important one of the facilities.

Highway guardrail is one of the most important facilities.