树木化石是大自然的历史记录。
琥珀是一种很轻的石头从树脂的树木化石。
Amber is a very light stone made from the fossilized resin of trees.
讲师甲说这是一块树木化石，讲师乙坚持是一根恐龙腿骨，双方争论不已。
Instructor armour says this is a dendrolite, instructor second holds to is a dinosaurian shank, bilateral argument unceasingly.
讲师甲说这是一块树木化石，讲师乙坚持是一根恐龙腿骨，双方争论不已。
Instructor armour says this is a dendrolite, instructor second holds to is a dinosaurian shank, bilateral argument unceasingly.
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