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toothpowder
英音[ ˈtuːθˌpaʊdə ] 美音[ ˈtʊθˌpaʊdər ]
牙粉
常用释义
词性释义
n.
牙粉
例句
全部
牙粉
The
rich
applied
toothpowder
with a
brush
.
The
poor
cleaned
their
teeth
with
bicarbonate
of
soda
,
using
their
fingers
.
有钱人用毛刷蘸牙粉刷牙，穷人则用手指蘸小苏打清洁牙齿。
A
dentist
called
Peabody
became the
first
person to
add
soap
to
toothpowder
in
1824
and
chalk
was
added
in the
1850s
by John
Harris
.
1824年皮博迪医生首次在牙粉中添加皂粉；19世纪50年代约翰.哈里斯在牙粉中添加了白垩。
1·There is then another huge gap in the history of toothpaste until the 18th Century, when toothpowder, or dentifrice, became available in Britain.
直到十八世纪，英国出现了牙粉，这是牙膏史上的另一个巨大的飞跃。
同义词
n.
牙粉
dentifrice