| 释义 |
open cluster
释义
[天] 疏散星团，[天] 银河星团
例句
1·Comparing with the open cluster their stars are older.
和疏散星团相比，星一般较老。
2·Most of the V is formed by an open cluster of stars, called the Hyades.
这个V字型大致是由一串星星组成的，它们叫毕星云。
3·This open cluster is particularly ancient, estimated to be nearly one billion years old.
这个疏散星团尤其古老，据测算有十亿岁了。
|