natural ice天然冰
naturaladj.自然的;天然的;私生的
natural plant preservative solution植物源天然保鲜液
natural-language spatial relation空间词汇
Natural gas line suspending project天然气管道跨越工程
natural language processing systems自然语言处理
natural monopoly industry generally自然垄断产业
Natural resources are short here.这里资源贫乏。
Natural Energy Laboratory of Hawaii
natural young middle- aged forest天然幼中龄林