Poynting vector
[化] 坡印亭矢量
🧩 词语组成解析
[人名] 波因廷
🗣️ 情景例句
Have you gotten over your cold?
你感冒好了吗？
Whe angry, count ten before you speak; if very angry, a hundred.
怒时数十再说话，大怒数百方开言。
that if we escape wars, accidents and diseases we shall eventually 'die of old age',
既使我们能避开战争、意外的事故和各种疾病，我们最终也会"老死；