常見例句雙語(yǔ)例句The prevalence of dental fluorosis of the children drinking low fluorine water was no difference no matter whether using fluoride dentifrice or not.飲用低氟水的兒童無(wú)論是否使用含氟牙膏，其氟斑牙患病率間沒有差別。 返回 fluoride dentifrice