undulate

汉语翻译

a. 波动的, 起伏的
vi. 波动, 起伏, 呈波浪形
vt. 使起伏, 使波动
【医】 波动

词型变化：

形容词:undulatory 动词过去式:undulated 过去分词:undulated 现在分词:undulating 第三人称单数:undulates 

英语解释：

动词 undulate:

1. stir up (water) so as to form ripples
   同义词：ripple, ruffle, riffle, cockle
2. occur in soft rounded shapes
   同义词：roll
3. move in a wavy pattern or with a rising and falling motion
   同义词：roll, flap, wave
4. increase and decrease in volume or pitch, as if in waves

形容词 undulate:

1. having a wavy margin and rippled surface

例句：

1. Fields of wheat are undulating in the breeze.
   在微风中起伏着一片麦浪。