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
I sold it to the present owners.
是我把它卖给了现在的主人。
The police crept up from behind and took the gangster by surprise.
警察悄悄从背后绕过去，出其不意地将歹徒逮捕。
Then, when it's open, we fight about who plays with it first.
然后，当礼物打开后，我们又争着谁先来玩。