基本解释n. 干草架；叉形指梁；雷达信标同根派生 英汉例句hayrack boom loader 梯臂式装车机词组短语短语hayrack k 带有传动装置的雷达指示器double hayrack 双栅条式饲槽英英字典柯林斯英英字典 a rack for holding hay for feeding to animals