
n.碳;復(fù)寫紙;復(fù)本;碳精棒
Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧組成的。
He decided to use carbon because it does not melt. 于是,他決定用碳,因?yàn)樘疾灰兹刍?/p>
I make a carbon copy of my documents. 我用復(fù)寫紙復(fù)寫文件。
She put the carbon paper in the wrong way round. 他把復(fù)寫紙放反了。
烴類
碳纖維
n.聚碳酸脂
n.[化]重碳酸鹽;碳酸氫鹽
碳質(zhì)物