减: Ⅰ动词1.(由原有数量中去掉一部分) subtract 短语和例子九减四得五。 nine minus four is five.; four from nine is five.; subtract four from nine and you have five.2.(降低; 衰退) reduce; decrease; cut 短语和例子工作热情有增无减 work wit
能量: 1.[物理学] energy; amount of energy 短语和例子能量转化 energy conversion2.(能力) capabilities; capacity; 能量不灭 conservation of energy; 能量不灭定律 law of conservation of energy; 能量交换 energy exchange; 能量均分 equ