Fluctuant
a. 变动的, 波动的, 起伏的
✅ 同义词
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
When the phone rang, I was painting upstairs.
当电话铃响的时候，我在楼上画画。
however lucky and robust we are.
不管我们多么幸运，多么健壮，