quark

中文： 夸克、层子

1. In the Standard Model, one of a number of elementary subatomic particles having fractional electric charge that forms matter. They are theorized not to exist in isolation, but only in combinations in hadrons such as neutrons and protons or in quark–gluon plasmas.
2. An integer that uniquely identifies a text string.
3. A nonsense, trivial text string. (slang)

复数 quarks