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。

youdao

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。

youdao