定义: 1.(确切而简要的说明) definition; delimiting 短语和例子确切的定义 an exact definition; 给一个词下定义要比举例说明它的用法困难。 to give a definition of a word is more difficult than to give an illustration of its use.2.(给以确切而简要
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