the strength and vitality required for sustained physical or mental activity
活力;干劲
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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安康。
(
(花费在某项工作或活动上的)精力,力量。
power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines
能。
【物理】 能量
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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
能级。
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clean energy 清洁能源
真题例句:
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save energy 节约能源
真题例句:
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energy consumption 能源消耗
真题例句:
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solar energy 太阳能
真题例句:
"mid 16th cent. (denoting force or vigour of expression): from French