lancelet

1·Photo: a lancelet, a close relative of vertebrates, in several stages of decay. credit: University of Leicester.

图片：脊椎动物的近亲，一只文昌鱼腐烂过程的几个阶段。

2·In Zhengzhou, where can purchase the Xiamen special local product: Lancelet?

在郑州哪里能买到厦门特产：文昌鱼?。