carbon
noun
ˈkɑːbən
noun
1
a
chemical
substance
that
exists
in
a
pure
form
as
diamonds,
GRAPHITE
etc,
or
in
an
impure
form
as
coal,
petrol
etc.
It
is
a
chemical
ELEMENT:
symbol
C
碳〔一种化学元素，符号为 C〕
U
2
CARBON
PAPER
复写纸
C,U
3
A
CARBON
COPY
(1)
复写本，副本
C