Armco

n. (汽车赛场周围的)阿姆科金属防护挡板[源自商标名]

释义与例句

n.
  1. 1.

    A type of metal roadside safety barrier.

    不可数

    The car skidded off the road and crashed into the Armco.

词源

From the initials of the name of steel manufacturer The American Rolling Mill Company (now AK Steel Holding Corporation).

来源：wiktionary