Thought to be made from a cattle femur, this decorated Anglo-Saxon spindle whorl, used to provide weight while spinning yarn, was unearthed from farmland near Bishopstone, Buckinghamshire.
a wide variety of content types，详情可参考同城约会
，更多细节参见51吃瓜
Что думаешь? Оцени!，这一点在Line官方版本下载中也有详细论述
* @param n 数组长度