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| 垫藻岩 | |||
| ★ 叠层石 | |||
| 叠层 | |||
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| 叠层石 | |||
| English thesaurus | |||
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| stromlt | |||
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stromatolite : 10 phrases in 3 subjects |
| Desert science | 3 |
| Materials science | 1 |
| Oil / petroleum | 6 |
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