powellite
钼钨钙矿
词形变化
powellites
复数
powellites
释义与例句
n.
-
1.
A tetragonal-dipyramidal mineral containing calcium, molybdenum, and oxygen.
可数 不可数 化学 地质
词源
Named after American geologist John Wesley Powell (1834–1902), + -ite.
来源:wiktionary