Ondulation
. 波浪式振荡, 波动
🗣️ 情景例句
A good marriage takes work and shouldn't be based on feelings alone.
一段好的婚姻要用心去经营，而不是仅仅建立在感情的基础上。
Sob! I didn't mean to kill it. I'm sorry birdie.
呜呜，我无意要杀死你。对不起，小鸟。
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.
倾倒、焚烧、把垃圾变成再生材料或试图少产生一些垃圾。