| 单词 | meteoroid impact |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔stishovite〕A dense tetragonal polymorph of quartz that is formed under great pressure and is often associated with meteoroid impact.超石英：一种致密的四方形石英矿物，常在高压下生成，并与流星撞击有关美国传统 |
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