英文關鍵字
ancient
archaeological
archaeologist
archaeology
archeology
background
devonian
dig
digging
evolution
excavating
excavation
exhibit
extinct
extinction
extraction
fossicking
fossil
fossils
geological
geologist
geology
gondwana
hunters
isolated
jurassic
mesozoic
naturalist
organism
palaeontology
paleontologist
paleontology
paleozoic
pangaea
permian
petrified
prehistoric
preserved
prospecting
research
rock
rocks
silurian
skeleton
splitting
stone
triassic