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
先: 名词1.(时间或次序在前的) earlier; before; first; in advance 短语和例子有言在先 make clear beforehand; 争先恐后 strive to be the first and fear to lag behind; 你不必先付款。 you don't have to pay in advance. 你先拟个提纲再写。 m
