笑死 XDDDDD 媽媽~為什麼有人會在 Yahoo!知識+ 那兒問一些白痴問題

------------------------------------------------------------------------------------

Ferret (Y)

超級的可愛~vvvVVVVV 很可愛 >3<~VVV

------------------------------------------------------------------------------------

Bio 終於到了動物的世界 (L)(L)(L)

Chem Isotopes 中

They are different atoms of an element

which have the same no. of protons but different no. of neutrons

Isotopes of an element have different masses

and slightly physical properties E.g Weight

They have the same chemical properties but different rate

Phy 忘記了 ...

Chin 寫信絡琦兒

Eng 睏到媽媽都唔認得

Maths 時間很長 囧囧囧

明天 =口=

背默 + REQUIZ 囧囧囧 救命

I am going to buy stamp tomorrow after school XD