单词 | 氧化铬 |
例句 | DEFINITIVE EXAMPLES 权威例句〔aventurine〕An opaque or semitranslucent brown glass flecked with small metallic particles, often of copper or chromic oxide.金星玻璃:一种不透明或半透明的棕色玻璃,掺有小的金属颗粒,通常为铜或氧化铬美国传统The colour of emerald is caused by small amounts of chromium oxide.绿宝石的颜色是由少量的氧化铬造成的。剑桥国际 |
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