酸化 さんか炭素 たんそ吸収 きゅうしゅう げんだったら
nisankatansokyūshūgendattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 二酸化炭素吸収源

1. If/when it were a carbon sink.; If/when it's a carbon sink.

Tara Conditional