mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
. g' W) R7 V  O8 y公仔箱論壇It must be a painful joruney.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。/ D* F0 G9 W' j4 o
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
# f( z# @' g; z6 R3 ~TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇( L6 u: u2 [2 A6 _
you need to switch school.5.39.217.769 A. ]3 `2 G3 Q9 p, |. s/ i
There is no 地心引力, but "gravitational" force only.5.39.217.761 v: x  ]5 E8 ~6 W, [/ r1 y
A simple meaning of Gravitational force = the force of attraction between any TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。5 {2 r, n/ F6 J0 n) y7 o
two masses.: k& ]4 X' v+ ?5 M" a

$ d" v7 Z( X! X' z  f/ w3 Ftvb now,tvbnow,bttvbGosh, I got fooled by my HK Physics teacher many years ago.