mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.公仔箱論壇5 l0 D( M- N9 d  t
It must be a painful joruney.tvb now,tvbnow,bttvb% }' _; J- x# \: K
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
7 z0 p5 x2 h, o: [4 J& g* o: \8 mTVBNOW 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, 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。! y% f- v6 r% y4 E0 I$ \
you need to switch school.  w6 C% V( w$ J! T. v$ n
There is no 地心引力, but "gravitational" force only., I! M5 U+ S! x' S5 k
A simple meaning of Gravitational force = the force of attraction between any
, t4 C, P6 t1 V! Z5 U+ Ptwo masses.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。, t3 h" M: `' \' c
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。0 U2 U1 g1 J9 x& L1 M& e( t
Gosh, I got fooled by my HK Physics teacher many years ago.