常見例句A great swell, surge, or undulating mass, as of smoke or sound.似巨浪繙騰巨浪、波濤或波浪形團塊,如菸霧或聲音A hill or dale in undulating country.山穀位於波狀起伏山區(qū)的山或穀Relatively flat or undulating sandy turf-covered ground usually along a seashore.砂丘相對平坦或有波狀起伏的覆草沙地,通常在海岸邊Fields of wheat are undulating in the breeze.在微風中起伏著一片麥浪。 返回 undulating