eleven的意思是什么

　　例句：

　　The gestation period of a horse is about eleven months.

　　馬的懷孕期大約為十一個月。

　　Charles I ruled for eleven years.

　　查理一世統治了十一年。

　　Only eleven of these accidents were classified as major.

　　這些事故中只有十一例被判定為重大事故。