发生: 1.happen; occur; take place; arise; crop up; chance; befall; come off; come to pass; come about; come up; come what may; be set; turn up; bring to pass:2.germination; occurrence3.-gony; -p
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