黑
洞
h
ē
i
d
ò
n
g
Definitions
1. (astronomy) black hole
Components
黑
Hēi
–
PN:abbr. for Heilongjiang province 黑龍江
洞
dòng
–
cave
Related Words
黑洞洞
hēi dòng dòng
–
pitch-dark
Word Lists
Space