Poynting vector
[化] 坡印亭矢量
🧩 词语组成解析
[人名] 波因廷
🗣️ 情景例句
which is going out with a camera and a roll of film
那就是带着照相机和一卷底片出去久
Just do what it says.
照着做就对了。
It's a car.
是一辆车。