Alternating flux
[电] 交变通量
🧩 词语组成解析
a. 交互的\\n[医] 交替的
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
Arthur must send that letter soon.
亚瑟，你必须立刻投递那封信。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子