拆東牆 補西壁
所有跟帖:
•
房子守恒定律 :-)
-7grizzly-
♀
(0 bytes)
()
11/14/2023 postreply
14:44:52
•
我再次確認你是一個物理學家!
-方外居士-
♂
(0 bytes)
()
11/14/2023 postreply
19:41:23
•
I know he is a Phd, doctor of philosophy:)), not in physics.
-暖冬cool夏-
♀
(0 bytes)
()
11/15/2023 postreply
08:20:03
•
The law of conservation of energy ? :))
-衛寧-
♂
(0 bytes)
()
11/15/2023 postreply
07:10:00