I agree, I heard that astronaut cannot pee or shit while they are in space.
3 t1 f) M& Z! g' N; a; o5 |1 cTVBNOW 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。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。( \' |2 s2 E6 J# u+ i6 g6 C
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
7 b' D. {! N& f2 B4 l5 ?I suggest you pack and pick other subject instead, if you really like Physics,
$ F' p% h# j* u- R" w9 W. Z- Nyou need to switch school., U$ \0 O: p/ Y- G4 J! x
There is no 地心引力, but "gravitational" force only.
5 |' a7 a- X% R0 l$ J# `# w% ctvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any 7 D5 A0 W( _- J, V
two masses.tvb now,tvbnow,bttvb' e5 L; e. B4 q1 U0 s
9 f' n& v6 q( H7 M& v# B2 z5 n
Gosh, I got fooled by my HK Physics teacher many years ago. |