Perturbations
(perturbation 的复数) n. 不安, 扰乱, 紊乱, 烦扰\\n[化] 摄动; 微扰
🗣️ 情景例句
They have nice things, but they've very expensive.
它们的东西不错，但很贵。
How's your uncle?
你的叔叔好吗？
he stooped to talk to a workman.After they had gone on,
途中，停下来与一个工人交谈，接着他们继续往前走去。