Bipotential
双电位
🗣️ 情景例句
How fresh are these vegetables?
这些蔬菜有多新鲜？
In secondary school, children study mathmatic、phsicas and chemistry.
中学的小孩会读到数学、物理和化学。
The sun will burn you if you're not careful.
要是你不当心，太阳会把你晒黑的。