Undulatory
a. 波动的, 起伏的, 因波动引起的
✅ 同义词
🗣️ 情景例句
That's five points also.
也是五分。
What's the longest river in the United States?
在美国最长的河是什么？
He's picking the apples on that tree. He's putting them in a basket.
他在摘那棵树上的苹果。他正在把苹果放进一只篮子里。