| 释义 |
toothpowder
英音 [ ˈtuːθˌpaʊdə ]
美音 [ ˈtʊθˌpaʊdər ]
释义
n. 牙粉
例句
1·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。
2·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
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