energy
['enədʒi]
n.精力, 活力, 能源
例句与用法：
Chlorophyll is a green substance in plants that absorbs energy from sunlight and helps them grow.
叶绿素是生长在植物中的绿色物质，它能吸收阳光，促进植物生长。
The solar cell can convert the energy of sunlight into electric energy.
太阳能电池能把阳光的能量转化为电能。
Young people usually have more energy than the old.
青年人通常比老年人精力充沛。
词形变化：
名词复数: energies |
详细释义：
n.
1. 活力, 干劲[U]
They are working with energy.
他们正在干劲十足地工作。
2. 精力, 能力[U][P]
They devoted all their energies to the job.
他们把自己的全部精力投入这项工作。
3. 【物】能, 能量[U]