n. (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
n. forceful exertion
n. enterprising or ambitious drive
n. an imaginative lively style (especially style of writing)
n. 精力, 精神, 活力, 能量
[化] 能; 能量
1. Energy is essential for our daily activities.
能量对我们的日常活动至关重要。
2. She has a lot of energy and loves to play sports.
她精力充沛，喜欢运动。
3. We should save energy by turning off the lights when we leave a room.
我们应该通过离开房间时关灯来节约能源。