spread的所有词性(过去式,过去分词,现在完成时等)

　　例句:

　　The bird spread its wings.

　　鸟展开翅膀。

　　A grin spread across her face.

　　她粲然一笑。

　　Darkness spread and enfolded him.

　　黑暗弥漫开来，将他笼罩。