| 1. | Wood charcoal contains up to 98% carbon . 木炭含有相当于98的碳。 |
| 2. | She typed an original and two carbons . 她用打字机打出了原件及两份副本。 |
| 3. | Diamond is a third form of solid carbon . 金刚石则是第三种形式的固态碳。 |
| 4. | The carbon dioxide is expelled by the lungs . 二氧化碳由肺排出。 |
| 5. | On hydrolysis carbon dioxide is evolved . 水解时,放出二氧化碳。 |
| 6. | Such a carbon is designated as a chiral carbon . 这样的碳原子称为手性碳。 |
| 7. | The residue is progressively enriched in carbon . 残留部分愈来愈富含碳质。 |
| 8. | Every carbon atom has four bonds . 每个碳原子的价键为四。 |
| 9. | She is a carbon copy of her sister . 她跟她姐姐一模一样。 |
| 10. | We have made no reference to asymmetric carbon atoms . 我们未曾涉及不对称碳原子。 |