肯定不對的了，這個本師奶肯定，它們是兩回事。等我有興趣的時候再去研究研究，今天繼續研究啄木鳥自由落體。
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
