cardinal

詞型變化：

英文解釋：

名詞 cardinal:

1. (Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes
2. the number of elements in a mathematical set; denotes a quantity but not the order
   同義詞：cardinal number
3. a variable color averaging a vivid red
   同義詞：carmine
4. crested thick-billed North American finch having bright red plumage in the male
   同義詞：cardinal grosbeak, Richmondena Cardinalis, Cardinalis cardinalis, redbird

形容詞 cardinal:

1. serving as an essential component
   同義詞：central, fundamental, key, primal
2. being or denoting a numerical quantity but not order

例句：

1. The cardinal number equal to2?0.
   二十等於2乘10的基數
2. The cardinal number equal to1015.
   十的十五次冪基數等於1015
3. The cardinal number equal to109.
   十億基數，等於109
4. The cardinal idea of the Labor Party's political thought is that all people should be equal.
   工黨政治思想的要點是人人平等。