But CO2 levels continue to rise.

但是，二氧化碳浓度在一直增加。

youdao

Again, this can restore CO2 levels and the attack immediately subsides.

同样…，这会恢复CO2的水平，袭击立刻消退。

youdao

Again, this can restore CO2 levels and the attack immediately subsides.

同样…，这会恢复CO2的水平，袭击立刻消退。

youdao