carbon
柯林斯詞典
1. N-UNCOUNT Carbon is a chemical element that diamonds and coal are made up of. (化學(xué)元素) 碳
返回 carbon
carbon /?kɑ?b?n/
劍橋詞典
- They used carbon dating tests to authenticate the claim that the skeleton was 2 million years old .
- New legislation aims to reduce carbon emissions.
- The substance was identified as carbon.
carbon noun (SUBSTANCE)
[ 不可數(shù)或單數(shù)名詞：沒有複數(shù)形式的名詞 ] (symbol C)a chemical element that 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
範(fàn)例
carbon noun (DOCUMENT)
[ 可數(shù)名詞：有複數(shù)形式的名詞 ]a carbon copy (DOCUMENT)
複寫本 返回 carbon