Fluctuations
n. 起伏现象；变动；波动（fluctuation的复数）
🗣️ 情景例句
How many brothers and sistes do you have?
你有多少个兄弟姐妹？
I'm pressed for time.
我赶时间。
I'm afraid he's out at the moment. He's at the cinema. Can I take a message?
恐怕他这会儿不在家。他在电影院。我可以给你捎个信儿吗？