Ondulation
. 波浪式振荡, 波动
🗣️ 情景例句
I'm so glad everyone is asleep.
很高兴大家都睡了。
When were you born?
你是什么时候出生的？
She likes Mike a lot, but she doesn't want to get married so early.
她喜欢迈克，但她不想那么早就结婚。