碳酸 /tàn suān/ angolul

carbonic acid [carbonic acids]▼(A weak unstable acid, H2CO3)
noun
[UK: kɑː.ˈbɒ.nɪk ˈæ.sɪd] [US: kɑːr.ˈbɒ.nɪk ˈæ.səd]