energy
n.活力，干劲，精力；能，能量，能源
释义2：
energy
/ 5enEdVi /
◙ (pl. -ies), [mass noun] 1. the strength and vitality required for sustained physical or mental activity• 活力；干劲 »changes in the levels of vitamins can affect energy and well-being. 维生素水平的变化会影响人的活力和健康。 (energies)a person's physical and mental powers, typically as applied to a particular task or activity• （某方面的）精力，力量2. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines• 能3. [Physics] the property of matter and radiation which is manifest as a capacity to perform work (such as causing motion or the interaction of molecules)• [物理] 能量 »a collision in which no energy is transferred. 没有能量转移的碰撞。 [count noun] a degree or level of this capacity possessed by something or required by a process• 能量级【语源】
1. mid 16th cent. (denoting force or vigour of expression): from French énergie, or via late Latin from Greek energeia, from en- 'in, within' + ergon 'work'
俄语/英语字母转换