英文關鍵字
back
black
bumpy
crocodile
epidermis
hard
jagged
keratin
muscly
prehistoric
rough
scales
scutes
sectioned
skin
slotted
spiky
steady
strong
tip
zoology
英文關鍵字
back
black
bumpy
crocodile
epidermis
hard
jagged
keratin
muscly
prehistoric
rough
scales
scutes
sectioned
skin
slotted
spiky
steady
strong
tip
zoology