羅士雄 幼稚園下 (2015/01/18 19:48):
We can explore the misery of the space technology by its rapidly development.
Kim Jae-hee 幼稚園下 (2015/01/18 21:46):
Jowater*** 小四下 (2015/11/26 23:01):
The rapid development of space technology make us available to discover its mystery.
李昀庭 幼稚園下 (2015/11/30 01:07):
Fast development of outer space technology lead us explore its mysteries .