Silurian
/sɪˈlʊɚ.i.ən/
A geologic period over 400 million years ago.
“The fossils date back to the Silurian era.”
新增到 My Deck
inoh
inoh
/sɪˈlʊɚ.i.ən/
A geologic period over 400 million years ago.
“The fossils date back to the Silurian era.”
新增到 My Deck