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.
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。
应用推荐