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1. | unique transition |
| 稀有跃迁 |
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2. | a rare mineral |
| 稀有矿物 |
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3. | a rare mineral that is an important source of cesium. |
| 一种稀有矿物,是铯的重要来源。 |
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4. | scarce currency |
| 稀有通货 |
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5. | a rare silvery-white mineral; important ore of cobalt. |
| 一种银白色的稀有矿物,是重要的钴矿石。 |
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6. | a yellow-to-brown mineral that is a source of rare earth elements. |
| 一种黄色或褐色的矿物,是地球稀有化学元素的来源。 |
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7. | In course of sinking the welt - shaft they came upon a deposit of a very rare mineral. |
| 在凿井中,他们,偶然发现一个稀有矿物的矿床。 |
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8. | private antigen |
| 稀有抗原 |
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9. | a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium. |
| 作为稀有土壤来源的一种矿物,由铁、铍、铈、钇、铒的硅酸盐矿物构成。 |
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10. | rare alkaline earth meta |
| 稀有碱土金属 |
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