| [/ˈenədʒɪ; ˋɛnɚdʒɪ/] n 用法:
1 [U] ability to act or work with strength and eagerness 精力; 干劲:
She's full of energy. 她精力充沛. *
His work seemed to lack energy. 他工作似乎缺乏干劲. *
It's a waste of time and energy. 那简直是浪费时间和精力. 用法:
2 energies [pl] person's powers available for working or other activities 精力; 活力:
I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰. *
apply/devote all one's energies to a task 全力以赴. 用法:
3 [U] (physics 物) ability of matter or radiation to do work because of its motion or its mass or its electric charge, etc 能; 能量:
nuclear energy 核能 *
electrical energy 电能 *
kinetic energy 动能. 用法:
4 [U] fuel and other resources used for operating machinery, etc 能源:
It is important to conserve energy. 节省能源十分重要. *
[attrib 作定语] an energy crisis, eg when sources of energy are scarce or unavailable 能源危机. |