cobalt ultramarine英 [ˈkəʊbɔːlt ˌʌltrəməˈriːn]美 [ˈkoʊbɔːlt ˌʌltrəməˈriːn]网络 蓝和钴群青; 钴群青化学英英释义noungreenish-blue pigment consisting essentially of cobalt oxide and aluminaSynonym:cobalt blue