怎么用同位素确定的？能证实翅膀和尾巴用料差了几百年？

来源: JSL2023 于 2024-10-08 20:11:46 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.