“cyanous”的英英意思

单词 cyanous 释义 † cyanous, a. Chem. Obs.[f. cyan- 2 + -ous: = F. cyaneux.]In cyanous acid, ‘the name originally given by Serullas to cyanic acid, on the supposition that it contained only half as much oxygen as the acid then called cyanic, but now cy...