[自然題]太陽幾歲了tvb now,tvbnow,bttvb0 q/ N, @ J2 e- {5 Q# @
tvboxnow.com1 k: X6 u* v0 Q. A4 L/ u% Z
7 d: N0 [$ u% R3 T3 k1 p, ]& ktvb now,tvbnow,bttvb# Z% I v. K+ j0 C& r$ G2 i# X' G' p |
; X8 m2 g5 q& Z* v6 H3 B8 k+ `tvboxnow.com按Ctrl + A 看答案...
- a) _* v- ?. h+ I[答案]50億年 |