carbon

英文造句：

1. Carbon has 4 valencies.
   碳的化合價是四價。
2. She's a carbon copy of her sister.
   她跟她姐姐一模一樣。
3. Carbon has a valence of four.
   碳的化合價是四價。
4. You receive the top copy of the receipt, and we keep the carbon.
   你把這收據上面的原件收下，我們保留下面的複寫件。
5. Soft drinks contain carbon dioxide.
   軟飲料中含有二氧化碳。
6. Plants can absorb carbon dioxide and release oxygen.
   植物可以吸收二氧化碳釋放氧氣。
7. I make a carbon copy of my documents.
   我用複寫紙複寫檔案。
8. The stick of carbon is often used in an electric arc lamp.
   碳精棒常用於電弧燈。

詞型變化：

英文解釋：

名詞 carbon:

1. an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
   同義詞：C, atomic number 6
2. a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper
   同義詞：carbon paper
3. a copy made with carbon paper
   同義詞：carbon copy