几乎所有白色涂料的白色都是源于矿石中的二氧化钛。

Nearly all white paint is white because of the titanium dioxide found in the ore.

youdao

几乎所有白色涂料的白色都是源于矿石中的二氧化钛。

Nearly all white paint is white because of the titanium dioxide found in the ore.

youdao