For example, titanium dioxide (a naturally occurring mineral often used as a pigment or thickener) is considered to be safe when put into a viscous mixture, such as in sunscreen or toothpaste.
例如，二氧化钛（一种天然矿物，可用做着色剂或粘稠剂）在粘稠状混合物中是安全的，如防晒露或牙膏。
2
The working people are while employing the pigment of mineral in the Neolithic Age, begin to use the natural plant dyestuffs too.
早在新石器时代劳动人民在应用矿物颜料的同时，也开始使用天然的植物染料。
3
A new technology of preparing toner with situ suspension copolymerization on advanced mineralpigment as a base material is investigated.