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