fluor
n. 氟石；[矿物]萤石（等于 fluorite）
例句
A new remarkable method of remove fluor was got.
得到了一种新的效果显著的除氟方法。
I'm going to add Fluor and MetLife to Jim's Watch List with this column.
我打算写完这篇专栏之后就把萤石和大都会保险加入“祖巴克观察表"中。
Objective: to observe the anti caries effect of Sodium fluoride and fluor protector.
目的：观察氟保护漆和氟化钠的抗龋效果。
