aster

名词

1. 1

   紫菀

   Purple asters bloomed along the garden path all through October.

   整个十月，紫色的紫菀沿著花园小径盛开。

2. 2

   星状体生物学

   During cell division, an aster forms around each centrosome.

   细胞分裂时，每个中心体周围会形成星状体。