| 释义 |
carbon ☞carbonn. [′kɑːbǝn]
双解释义 U 碳 a simple substance found in a pure form as diamonds, etc. or in an impure form as coal, petrol 词汇搭配 形容词+~ activated ~ 活性炭 radioactive ~ 放射性碳~+名词 ~ spot (硬币的)碳斑,黑斑 ~ tax 烟尘排放税句型例句 Diamonds are pure carbon. 钻石是纯净的碳。 There are carbon atoms in sugar. 糖含有碳原子。补充资料 [词源]法语carbone <拉丁语carbo(碳) |