英文關鍵字
aged
ammonite
ammonitida
analyzing
ancient
animal
anthropology
antique
archaeologist
archeologist
archeology
background
biology
bone
digging
discovery
epoch
era
evolution
fossil
geologic
geological
geologist
geology
gloves
greek
hands
historic
history
mineral
minerals
mollusk
natural
nautilus
old
outcrop
paleontologist
pattern
person
pottery
prehistoric
sample
science
scientist
seashell
stone
stones
surface
tool
tools