Bipotential
双电位
🗣️ 情景例句
My dad's letting me borrow the car.
我爸爸借我用汽车。
An evening red and a morning grey, is a sign of a fair day.
晚霞红如火，晓色青如灰，定是晴朗天。
I know. I can help him with most of his subjects.
我知道。我可以帮助他学习绝大多数科目。