tooth powder

英汉释义

• un.

  1.牙粉

英英释义

• n.

  1.a powder that you mix with a small amount of water and use for cleaning your teeth

英汉例句

• 1.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。

• 2.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。