carbon
US /ˈkɑːr.bən/
UK /ˈkɑːr.bən/
1.
碳
a nonmetallic element that has four valence electrons, readily forming covalent bonds, and is the basic constituent of all organic compounds, occurring in all known life forms.
:
•
Diamonds are a form of pure carbon.
鑽石是純碳的一種形式。
•
Plants absorb carbon dioxide from the atmosphere.
植物從大氣中吸收二氧化碳。
2.
複寫紙
a piece of carbon paper.
:
•
Make sure to put a carbon between the sheets for a copy.
確保在紙張之間放一張複寫紙以進行複印。