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1. Oxford Dictionary

   energy

   • IPA[ˈɛnədʒi]

   英式

   • n.
     the strength and vitality required for sustained physical or mental activity；a person's physical and mental powers

   • noun: energy, plural noun: energies

2. • 釋義
   • 相關詞

   n.

   名詞

   • 1. the strength and vitality required for sustained physical or mental activity changes in the levels of vitamins can affect energy and well-being 同義詞 vitality, vigour, life, liveliness, animation, ... 更多vivacity, spirit, spiritedness, fire, passion, ardour, zeal, verve, enthusiasm, zest, vibrancy, spark, sparkle, effervescence, exuberance, buoyancy, perkiness, sprightliness, strength, stamina, forcefulness, power, might, potency, dynamism, drive, push, informalzip, zing, pep, pizzazz, punch, bounce, fizz, oomph, go, get-up-and-go, vim and vigour, feistiness
   • ▪ a person's physical and mental powers an alternative is to devote your energies to voluntary work
   • 2. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines nuclear energy 同義詞 power
   • 3. the property of matter and radiation which is manifest as a capacity to perform work (such as causing motion or the interaction of molecules) a collision in which no energy is transferred
   • ▪ a degree or level of energy possessed by something or required by a process gamma rays at different energies

   solar energy

   • n.
     radiant energy emitted by the sun.

   Oxford Dictionary

   energy-dense

   • adj.
     (of food) having a high calorie content in relation to its weight: a sedentary lifestyle and the overconsumption of energy-dense foods causes weight gain

   Oxford Dictionary

   energy-dense

   • adj.
     (of food) having a high calorie content in relation to its weight: a sedentary lifestyle and the overconsumption of energy-dense foods causes weight gain

   Oxford American Dictionary

   mass energy

   • n.
     mass and energy regarded as interconvertible manifestations of the same phenomenon, according ...

   Oxford American Dictionary

   solar energy

   • n.
     radiant energy emitted by the sun.

   Oxford American Dictionary

   energy conservation

   • n.
     the prevention of the wasteful use of energy, especially in order to ensure its continuing ... the houses are designed with energy conservation and low maintenance costs firmly in mind a conscious decision to promote renewable fuels and energy conservation

   Oxford American Dictionary

   energy conservation

   • n.
     the prevention of the wasteful use of energy, especially in order to ensure its continuing ... the houses are designed with energy conservation and low maintenance costs firmly in mind a conscious decision to promote renewable fuels and energy conservation

   Oxford Dictionary

   free energy

   • n.
     a thermodynamic quantity equivalent to the capacity of a system to do work.

   Oxford American Dictionary

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3. • 更多解釋

   energy

   • IPA[ˈenərjē]

   美式

   • n.
     the strength and vitality required for sustained physical or mental activity: changes in the levels of vitamins can affect energy and well-being

   Oxford American Dictionary