guard rail

guard rail的音标为[ˈɡɑːrd ˈreɪl]，基本翻译为“护栏；护栅”，速记技巧为：rail的发音与“railway”相近，guard表示“防护”。

Guard rail这个词的词源可以追溯到古英语中的“guard”和“rail”，意为“防护栏”。它的主要作用是保护行人或车辆免受道路上的危险因素（如车辆、障碍物等）的伤害。

guard rail的变化形式主要有复数形式“guards rails”和过去式“guarded rail”。

相关单词：

1. Guard - 意为“保护”，在许多情况下，它都可以指代安全防护措施，如保安、警卫等。

2. Rail - 意为“栏杆、轨道”，在guard rail中，它表示防护栏的主要构成部分。

3. Guardrail - 是一个复合词，意为“防护栏”，是guard和rail的合成词，用于描述一种特定的安全设施。

4. Guarded - 意为“有防护的”，它可以用于描述某些事物具有防护措施或保护机制。

5. Restraint - 意为“约束、限制”，它可以用于描述guard rail等安全设施对行人和车辆的约束作用。

Guard rail作为道路安全设施，在许多国家都是重要的交通标志之一。它的使用可以有效地减少交通事故的发生，保护行人和车辆的安全。

guard rail常用短语：

1. on the guard rail

2. off the guard rail

3. guard railing

4. guard rail protection

5. guard rail system

6. guard rail installation

7. guard rail maintenance

双语例句：

1. The car was hit by a truck and sent flying off the guard rail.

那辆车被卡车撞击，从护栏上飞出去。

2. The guard railing protects pedestrians from falling off the cliff.

护栏保护行人不会从悬崖上掉下去。

3. The guard rail system on this bridge is very reliable.

这座桥上的护栏系统非常可靠。

4. The guard rail installation must be done by professionals to ensure safety.

安装护栏必须由专业人员来完成，以确保安全。

5. We need to maintain our guard rail regularly to prevent accidents.

我们需要定期维护护栏，以防止意外发生。

英文小作文：

Safety is everyone"s responsibility, especially when it comes to guard rails. Guard rails are designed to protect us from danger, whether it"s falling off a cliff, or being hit by a car. However, they need to be maintained regularly to ensure they are effective in their job. Without proper maintenance, they can become a hazard themselves.

Guard rails are a crucial component of our infrastructure, and they should be treated as such. We should all be mindful of their presence and how they can keep us safe. After all, safety is everyone"s responsibility, and we should do our part to ensure it is always taken care of.