| 单词 | atomic number 22 |
| 释义 | atomic number 22 (extremely rare) n WORD FAMILY atomic number 22 n a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite Syn|Hyper Ti, titanium metal, metallic element any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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