Electrodynamics
n. 电动力学\\n[化] 电动力学
🗣️ 情景例句
as well as the younger people of Riverdale.
和年轻人服务。
Courtesy costs nothing.
谦虚恭敬，不用分文。
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。