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
Da dada da da dada da da da da da da dada.
哒 哒哒 哒 哒 哒哒 哒 哒 哒 哒 哒 哒 哒哒。
Are you crazy?
你疯了吗？
It must have been a gas that could burn but that would not explode, a gas that did not smell strong, and a gas that did not kill people.
它一定是一种能够燃烧而不能爆炸的气体，一种味道不很强的而且不使人致死的气体。