Yabla video uses of 墨水

然后 ránhòu
为什么 wèishénme
yào
yòng
空气 kōngqì
zuò
chéng
墨水 mòshuǐ
And why does he want to make ink out of air?
什么样 shénmeyàng
de
空气 kōngqì
能够 nénggòu
zuò
chéng
墨水 mòshuǐ
What kind of air can be turned into ink?