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
One day, you'll have your own family,
总有一天，你会有你自己的家，
How much does she need?
她需要多少？
What colour is it?
是什么颜色的？