In the exam there's sure to be a question on energy.
考試時準有關于能量的題目。
It's a waste of time and energy.
那是浪費時間和精力。
He has carried out extensive research into renewable energy sources.
他已經對再生能源進行了廣泛研究。
Her mother was a resourceful and energetic woman.
她母親是一個足智多謀、精力充沛的女人。
The company is trying to create a young energetic image.
這家公司正試圖塑造一個充滿活力的年輕形象。
He knew I was energetic and dynamic and would get things done.
他知道我精力充沛、生氣勃勃，會把事情辦成的。