n.排障器；广告
rail guard; life guard; fender; cowcatcher; locomotive pilot 机车排障器
"His other contributions included establishing the modern postal system in England, compiling the first reliable actuarial tables, and inventing the locomotive cowcatcher . " 他的另一项贡献是建立英格兰的现代邮政系统、编写了第一种可信赖的保险精算表,以及发明火车头的排障器。
locomotive cowcatcher 机车排障器
cowcatcher n. 排障器
