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| sand | |
| 生命科学 | flat |
| 地球科学 | arena |
| 煤炭 | sand used in the glass industry; sand for cleaning metals |
| 环境 | grit; sand |
| |||
| arena | |||
| sand used in building | |||
| sand used in the glass industry; sand for cleaning metals | |||
| grit; sand A loose material consisting of small mineral particles, or rock and mineral particles, distinguishable by the naked eye; grains vary from almost spherical to angular, with a diameter range from 1/16 to 2 millimeters | |||
| flat | |||
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sand : 184 短语, 26 学科 |
| 一般 | 2 |
| 信息技术 | 11 |
| 农业 | 7 |
| 冶金 | 36 |
| 化学 | 6 |
| 医疗的 | 3 |
| 卫生保健 | 2 |
| 地球科学 | 12 |
| 建造 | 11 |
| 技术 | 3 |
| 材料科学 | 2 |
| 植物学 | 10 |
| 煤炭 | 3 |
| 环境 | 5 |
| 生命科学 | 21 |
| 电子产品 | 7 |
| 矿业 | 1 |
| 经济 | 3 |
| 统计数据 | 1 |
| 能源行业 | 1 |
| 自然科学 | 9 |
| 药店 | 1 |
| 行业 | 7 |
| 财政 | 2 |
| 运输 | 14 |
| 通讯 | 4 |