负电的英文：
negative electricity
minus electricity

参考例句：

Minus electricity
负电，阴电

As these electrons are negatively charged they will attempt to repel each other.
因为这些电子都带负电，它们将会互相排斥。

A body is negatively charged when it has electrons in excess of its normal number.
物体所含电子超过其正常数目时，该物体就带负电。

negative是什么意思：
adj. 否定的；反面的；负的阴性的
n. 否定，拒绝；负数
v. 否定，拒绝

Their criticism was not negative.
他们的批评并不是负面的。

The vote is in the negative.
投票表决的结果是反对。

A negative vote or voter.
反对票，投反对票的人

electricity是什么意思：
n. 电；电流；电学

The atmosphere was electric.
气氛很热烈。

electric cartridge
带电体唱头

This electricity is then fed into the electricity grid system
然后,这一电流被输入电网系统。

minus是什么意思：
n. 减号，负号；负数；不利；
adj. 减的，负的；不利的
prep. 减，减去；零下；没有，缺少

The temperature is minus twenty degrees.
温度是零下二十度。

None of these minus points will have been mentioned.
这些不利因素都不会被提及。

He came back minus an arm.
他失去了一只胳膊回来了。