碳的的用法和样例:
例句
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放射性碳碳的一种放射性同位素,尤指碳14
A radioactive isotope of carbon, especially carbon14. -
碳化作用烟煤的分解蒸馏,在没有空气的条件下进行,为得到比最初的原料所含碳的百分比大得多的焦煤以及其它馏分
The destructive distillation of bituminous coal, done in the absence of air in order to obtain coke and other fractions having a greater percentage of carbon than the original material. -
碳的化合价是四价。
Carbon has a valence of four.