ccumulation n.积累、calculation n.计算(结果)、circulation n.循环,销路,周转、congratulation n.祝贺,贺辞、formulation n.确切表述、insulation n.隔离,绝缘、manipulation n.操纵,操作、population n.人口
admiration n.羡慕,钦佩
expiration n.期满
inspiration n.灵感
cancellation n.删除,取消
distillation n.蒸馏
installation n.安装,装置
oscillation n.摆动,振动
collaboration n.协作,通敌
commemoration v.纪念
corporation n.公司
decoration n.装饰物
deterioration n.退化
elaboration n.详尽阐述
evaporation n.蒸发,升华
exploration n.勘探,考察
dna水解后得到的产物是什么
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