| 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 |