adj.波状的，波形的；v.波动，起伏，呈波浪形( undulate的过去式和过去分词 )；使波动，使起伏，使成波浪形； 英英释义： undulate[ 'ʌndjuleitid ]v.stir up (water) so as to form ripples同义词：ripplerufflerifflecockleoccur in soft rounded shapes同义词：rollmove in a wavy pattern or with a rising and falling motion"Th