Ondulation
. 波浪式振荡, 波动
🗣️ 情景例句
Oh, Richard, it really isn't that bad.
喔 ，Richard ，事情没有那么糟。
Would you please leave the door unlocked for me?
可以请你为我把门锁打开吗？
It will be cloudy at times.
阴有多云。