“cobaltous”的英英意思

单词 cobaltous 释义 cobaltous, a. Chem.|kblts|Of the nature of cobalt; applied to the di-compounds of the metal, as cobaltous oxide CoO.1863–72Watts Dict. Chem. I. 1048 Protoxide of cobalt or cobaltous oxide..is a light greenish-grey or olive-green..pow...