Poynting vector
[化] 坡印亭矢量
🧩 词语组成解析
[人名] 波因廷
🗣️ 情景例句
Everyone saw the story in the Riverdale newspaper.
每个人都已看到Riverdale报纸上的新闻。
To have a nice dream
做了个好梦
Mrs.Richards realized that it must be the man from the Electricity Board who had come to read the metre.
理查兹夫人这才想到一定是供电局来人查电表了。