Poynting vector
[化] 坡印亭矢量
🧩 词语组成解析
[人名] 波因廷
🗣️ 情景例句
The fountain is over there, Michelle.
饮水机在那， Michelle。
You'd better see a doctor about that stomachache.
你胃痛最好去看医生。
The weight is too much for my height.
相对于我的身高来说，体重太重了！