n.[C]

1. 象征，标志[（+of）]
   The white bird is a symbol of freedom.

   这白色的鸟是自由的象征。

2. 记号，符号[（+for）]
   We use x as the symbol for an unknown quantity.

   我们用ｘ表示一个未知数。

vt.

1. 象征

n.

1. a mark or character used as a conventional representation of something, e.g. a letter standing for a chemical element or a character in musical notation.
2. a thing that represents or stands for something else, especially a material object representing something abstract.

v.