| 释义 |
DEFINITIVE EXAMPLES 权威例句〔didymium〕A mixture of rare-earth elements and oxides used chiefly in manufacturing and coloring various forms of glass.稀土与氧化物混合物:稀土元素和氧化物的混合物,这要用于制造和给各种形式的玻璃上色美国传统〔rare earth〕A rare-earth element.稀土元素美国传统〔rare earth〕Any of various oxides of the rare-earth elements.稀土:稀土元素中的任意一种矿物美国传统 |