最后的房间是制造氧气的地方。

Finally the room where oxygen is produced.

youdao

他们为我们制造氧气。

They make the oxygen for us.

youdao

但他们同时也制造了在当时是毒气的气体——氧气。

But they also produced what was in their world a poisonous gas-oxygen.

youdao

树木是最大的植物，所以，大部分的氧气由它们制造。

Trees are the largest plants, so they make the most oxygen.

youdao

它们除去灰尘，把制造我们可以呼吸的氧气。

They remove dust and produce the oxygen we breathe.

youdao

它们除去灰尘，把制造我们可以呼吸的氧气。

They remove dust and produce the oxygen we breathe.

youdao