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 can't wait to see her face when she walks in here tonight.
我迫不及待想看到她今晚走进这里时脸上的表情。
Like cow, like calf.
有其父必有其子。
Tired of sleeping on the floor, a young man in Teheran saved up for years to buy a real bed.