aster

n. 紫苑属植物
【医】 星体

as.ter

n.（名词）
Any of various plants of the genusAster in the composite family, having radiate flower heads with white, pink, or violet rays and a usually yellow disk.
紫菀属植物：一种菊科紫菀 属的植物，有带白、粉、或蓝紫色伞形放射状头状花序，花盘一般为黄色
The China aster.
翠菊
Biology A star-shaped structure formed in the cytoplasm of a cell and having raylike fibers that surround the centrosome during mitosis.
【生物学】 星状体：在细胞浆内形成的星状结构，在有丝分裂期间有棱形纤维环绕中心体

来源：
Latin astôr [a plant, star]
拉丁语 astôr [植物，星]
from Greek astôr * see ster- 3
源自 希腊语 astôr *参见 ster- 3