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| 单词 | carbon |
| 释义 |
carbon UK ['kɑ:.bən] US ['kɑ:r-] noun SUBSTANCE 物质 ADVANCED uncountable ■a simple chemical substance, which exists in its pure form as diamond or graphite , and is an important part of other substances such as coal and oil, as well as being contained in all plants and animals 碳 UK ['kɑ:.bən] US ['kɑ:r-] noun DOCUMENT 文件 countable ■a carbon copy 复写本 |
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