Fluctuations
n. 起伏现象；变动；波动（fluctuation的复数）
🗣️ 情景例句
Please tell him that Lu Ming tried to contact him.
请你转告他陆明正设法跟他联系。
I wish I could.
但愿我能。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”