英文關鍵字
ancient
animal
brush
brushes
brushing
claw
desert
dig
digging
digs
dinosaur
dinosaurs
dirt
excavate
excavating
excavation
fossil
fossilized
fossils
ground
hammer
hammering
hand
history
jurassic
natural
old
park
raptor
remains
rex
rock
rocks
site
skeletal
skeleton
soil
stone
tool
tools
trex
velociraptor