| 释义 |
quark
I. \ˈkwȯrk\ intransitive verb
Etymology: imitative
archaic : croak
II. \ˈkwärk, -wȯr-\ noun
(-s)
Etymology: coined by Murray Gell-Mann b1929 American physicist
: any of several elementary particles that are postulated to come in pairs (as of the up and down varieties) of similar mass with one member having a charge of + 2/3 and the other a charge of - 1/3 and that are held to make up hadrons |