常見例句A great swell, surge, or undulating mass, as of smoke or sound.似巨浪翻騰巨浪、波濤或波浪形團塊,如煙霧或聲音A hill or dale in undulating country.山谷位于波狀起伏山區(qū)的山或谷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(fēng)中起伏著一片麥浪。 返回 undulating