Perturbations
(perturbation 的复数) n. 不安, 扰乱, 紊乱, 烦扰\\n[化] 摄动; 微扰
🗣️ 情景例句
Coffee, please.
请来点咖啡。
Mr. Smith is a politician.He's running for election as governor.
史密斯先生是竞选州长的一名政治家。
How do you usually come to school?
你平常怎样来上学？