好词典

carbons

UK //ˈkɑːbənz//US //ˈkɑːrbənz//

词源

源自拉丁语'carbo'(意为煤或炭),通过古法语'carbone'进入英语,复数形式加-s。

noun

❶ 碳的复数形式,指多个碳原子或碳元素。在化学中,碳是构成有机化合物的基本元素。

“Diamonds are made of pure carbons.”

(钻石由纯碳组成。)

“Plants absorb carbons from the atmosphere during photosynthesis.”

(植物在光合作用过程中从大气中吸收碳。)

❶ 复写纸的复数形式,指多张用于复写的薄纸。

“She placed two carbons between the sheets to make copies.”

(她在纸张之间放了两张复写纸来制作副本。)

“The old typewriter required carbons to duplicate documents.”

(旧式打字机需要用复写纸来复制文件。)

同义词:carbon copies, graphite sheets, duplicate papers

常见短语

carbon copies — 字面意思是复写纸制作的副本,比喻完全相同的复制品或极其相似的事物。

“The twins were like carbon copies of each other.”

(这对双胞胎就像彼此的复刻版。)