懂不?
2020-03-04 本文已影响0人
书罢指犹凉
∵ 一时因果
290+290=580
∴ Ca(oH)2+OO2=CaOO3↓+H2O
The sun for the day,
The moon for the night,and you for ever
一个孕期约290天
∵ 一时因果
290+290=580
∴ Ca(oH)2+OO2=CaOO3↓+H2O
The sun for the day,
The moon for the night,and you for ever
一个孕期约290天