en
precambrian era
An
English
term in
ConceptNet 5.8
Sources:
JMDict 1.07
and
OpenCyc 2012
View this term in the API
Documentation
FAQ
Chat
Blog
Documentation
FAQ
Chat
Blog
Synonyms
ja
先カンブリア時代
(
n
)
➜
Links to other resources
umbel.org
/umbel/sc/Precambrian_GeologicalEra