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crash barrier的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
a strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents
crash barrier的用法和樣例：
例句
用作名詞 (n.)
- Ideally, the cars slide along this wall or crash barrier and dissipate energy and speed.
理想上，賽車沿著這面牆或者是防撞護欄消散衝擊力和速度。
