In nineteen forty-five, Miz Martins found that the world looked gray and colorless.

VOA: special.2010.04.14

I know table salt is white, but that is because you have power and you have multiple surfaces scattering, but a large crystal of sodium chloride is clear and colorless.

我知道食用盐是白色的，但这是因为你让它成了粉末,因为有了多个散射面，但是一个大的氯化钠晶体,是无色透明的。

麻省理工公开课 - 固态化学导论课程节选

You start with liquid metal one, liquid metal two, you have the atom ratios proper, they mix, electron transfer occurs and poof, it is clear and colorless. Sorcery.

从液态金属一，液态金属二开始，你有合适的原子比例，混合它们，电子转移发生且被证实了，产物是透明无色的，有点辣味。

麻省理工公开课 - 固态化学导论课程节选

Hours later,Aylmer returned carrying a crystal glass with a colorless liquid.

VOA: special.2009.09.26

It just goes bang, clear and colorless because salts are colorless.

它突然转变成透明无色的,因为盐没有颜色。

麻省理工公开课 - 固态化学导论课程节选