tetrad 详细解释

tetrad

['tetræd]

n. 四位组, 四分体, 四元基

英英释义

名词 tetrad:

the cardinal number that is the sum of three and one

同义词:four, 4, IV, quatern, quaternion, quaternary, quaternity, quartet, quadruplet, foursome, Little Joe

补充

tetradtetrad英:[ˈtetræd] 美:[ˈtɛtˌræd]n.1.四元组, 四个一组2.(数目)4