基本解释吼板（澳大利亚等地土著用于宗教仪式的一种旋转时能发出吼声的木板）同根派生 词组短语短语bull -roarer 牛吼器;吼板英英字典柯林斯英英字典 a wooden slat attached to a thong that makes a roaring sound when the thong is whirled: used esp by native Australians in religious rites