Bipotential
双电位
🗣️ 情景例句
What's wrong with him?
他怎么啦？
That's good wisdom which is wisdom in the end.
最后的聪明才算真聪明。
She does, doesn't she! I read she's twenty-nine,- but she must be at least forty.
是的，谁说不是呢！我从报上看到她是29岁，但她一定至少有40岁了。