| 释义 |
正负 zhèng fù
基本例句
plus-minus繁体正負电子之所以流动，是因为干电池上正负两端上的电的状况有差别所致，对于这种差别，我们称之为“电位差”。The difference in the electrical condition of the terminals “+” and “-” of the dry cell which tends to make electricity flow we describe as a difference of electrical potential. |