Perturbation theory
[化] 微扰理论
🧩 词语组成解析
n. 不安, 扰乱, 紊乱, 烦扰\\n[化] 摄动; 微扰
🗣️ 情景例句
Hello, Alexandra.
你好 Alexandra。
It's a beautiful country with many large rivers.
这个国家很美，它有很多大河。
I think so. But he seemed rather tired last night.
我想睡得好。但昨晚他看起来有点累。