perturbation
🇬🇧/ˌpɜːtəˈbeɪʃn/ 🇺🇸/ˌpɜːrtərˈbeɪʃn/ 36A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change. (尤指不寻常的)小变化
noun [抽象名词][数][天] 摄动;不安;扰乱
Perturbation is worry caused by some event.
忧虑; 不安• This message caused perturbation in the Middle East Headquarters. 这个消息在中东总部引起了不安。
单词造句: