guardrail

n. 护栏, 护轨

发音

US /ˈɡɑɹdˌɹeɪl/
其它

词形变化

guardrails 复数 guardrails

别名

guard rail

释义与例句

n.
  1. 1.

    A rail set alongside a dangerous place as a barrier, to improve safety.

    护栏

  2. 2.

    A rail set alongside a dangerous place as a barrier, to improve safety.

    A strengthened barrier installed on the sides of a (usually major) road to keep vehicles on the highway and reduce the risk and/or impact of crashes.

    加拿大 美国
  3. 3.

    Any barrier designed to prevent accidents or mistakes.

    比喻 引申义
  4. 4.

    Synonym of check rail.

    交通

词汇关系

名词

上位词 2

rail railing

词源

From guard + rail.

来源：wiktionary