undulations

基本解释

• n.起伏不定；波动（undulation的复数）

同根派生

英汉例句

• The downs fell in gentle undulations to the sea.
  这块丘陵地略带倾斜伸向大海。
• There were also fine edifices which pierced the petrified undulations of that sea of gables.
  还有不少美丽的屋宇，拔地而起，刺破那一片山墙海洋的石化波涛。
• A view from the sky shows the verdant undulations of central Colorado's Roan Plateau.
  意译：高原图片集。从天空眺望显示那苍翠起伏的科罗拉多中心的菊花青色的高原。
• The breeze hollowed out undulations in the magnificent enormity of the chestnut-trees.
  和风使高大华美的栗树丛此起彼伏，气势雄伟。
• The undulations of the human surge reached the steps, while all the heads floundered on the surface like a sea agitated by a squall.
  无数的旗帜，在人头上空飞舞，忽而在人群中隐没，忽而又被举起，这时那些旗帜已经变成破烂的纸片了。