英文關鍵字
1080
animals
baltic
biology
brachiopoda
close
dish
earth
formation
fossilization
fossils
geology
gray
history
lime
limestone
macro
old
orthocerida
rotating
science
sea
sediment
shells
snails
stone
table
the
turn
英文關鍵字
1080
animals
baltic
biology
brachiopoda
close
dish
earth
formation
fossilization
fossils
geology
gray
history
lime
limestone
macro
old
orthocerida
rotating
science
sea
sediment
shells
snails
stone
table
the
turn