| 单词 | θ6723 |
| 释义 | the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] (278) Subcategories:— cuprite (2) — general formula AO (22) — corundum group A2 03 (29) — spinel group AB2 O4 (39) — rutile and uranite groups A02 (35) — tellurium oxides (3) — oxides of titanium, tantalum, nickel, or rare earths (49) — other oxides (84) — hydroxides (15) |
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