Undulation
n. 波动, 波状弯曲, 起伏\\n[医] 波动
✅ 同义词
🔴 反义词
📖 牛津释义
undulation
n
(a) [U] wave-like movement or appearance 波动; 起伏.
(b) [C] one of a number of wave-like curves or slopes 波状的弯曲或斜坡
The downs fell in gentle undulations to the sea. 这块丘陵地略带倾斜伸向大海.
🗣️ 情景例句
my brother Robbie,
我弟弟Robbie
Don't rush me.
别催我！
Bottoms up!
干杯（见底）！