energy当精力讲可数吗

问题描述

精选答案

energy不可数。energy：n.能量;能源;精力;活力;干劲;力量。

相关介绍：

The system produced enough energy to heat several thousand homes.

系统产生的能量足以给几千户人家供暖。

In the exam there's sure to be a question on energy.

考试时准有关于能量的'题目。

It's a waste of time and energy.

那是浪费时间和精力。

He has carried out extensive research into renewable energy sources.

他已经对再生能源进行了广泛研究。

There has been a move away from nuclear energy.

人们对于原子能的看法已经转变。