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| rock Any aggregate of minerals that makes up part of the earth's crust. It may be unconsolidated, such as sand, clay, or mud, or consolidated, such as granite, limestone, or coal | |||
| rocky outcrop | |||
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| rock | |||
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rochas : 180 短语, 21 学科 |
| 一般 | 3 |
| 养鱼(养鱼) | 5 |
| 农业 | 2 |
| 冶金 | 12 |
| 劳动法 | 4 |
| 化学 | 2 |
| 地球科学 | 54 |
| 建造 | 3 |
| 机械工程 | 2 |
| 法律 | 1 |
| 煤炭 | 7 |
| 环境 | 10 |
| 生命科学 | 29 |
| 电子产品 | 1 |
| 矿业 | 2 |
| 能源行业 | 2 |
| 自然科学 | 16 |
| 自然资源和野生动物保护 | 18 |
| 行业 | 3 |
| 运输 | 3 |
| 鸟类学 | 1 |