So this is a little bit negative and this is a little bit positive, which means I could model this by drawing a dipole. This is a dipole.
这边带一点负电,这边带一点正电,这意味着我能把它表示,成一个偶极。
The barista uses caffeinated coffee in the drink instead of decaf, doesn't tell anybody, doesn't tell me.
他错听成带咖啡因,而不是无咖啡因,没有告诉别人,也没有告诉我。
It's proportional to the electric charge of either object.
而与物体的带电量成比例
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