Ondulation
. 波浪式振荡, 波动
🗣️ 情景例句
She grabbed the chance to travel abroad.
她抓住机会到国外旅行。
I'm sorry, but I didn't understand your question. Could you please restate it?
对不起，你的问题我没有理解，请你再说一遍好吗？
Oh, listen to the loudspeaker. I think Mr. Hu is going to tell us the result right now.
哦，请听广播。我想胡先生马上就要宣布比赛结果。