New Words：

blood [blʌd] n. 血；血统
metal [ˈmetl] n. 金属
dove [dʌv] n.鸽子（白鸽常作为和平的象征）

Sample Sentences：

He lost a lot of blood in the accident.
How much blood does this little white mouse have?

Robots are made of metal.
We found a metal box in Dad's room with keys in it.

He asked me to take care of his doves.
The magician waved his hand and the dove vanished.

accident [ˈæksɪdənt] n. 意外；（交通）事故；意外遭遇；不测事件

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