for the glass fragment to strike her, the glass has to be smash at a precise speed and precise angle with a precise orientation, and possibly if the glass has any pre-existing defect.
, C5 ~6 u* r, U) Ytvb now,tvbnow,bttvb
+ f' b7 g' E: a& ?. X: `; @- ^the possibiolity is endless which will make it impossible to repeat the experiment. |
發表於 2011-6-24 09:56 AM
| 
發表於 2011-6-24 08:23 PM
| 
