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。 上一篇：walk的过去式和过去分词怎么写 下一篇：pollute的名词英文 |