Ondulation
. 波浪式振荡, 波动
🗣️ 情景例句
It's fantastic!
太棒了！
I'm sure I'll be President.
我必定会当选总统。
He has made neat paths and has built a wooden bridge over a pool.
他修筑了一条条整洁的小路，并在一个池塘上架了一座小木桥。