cardinal
柯林斯词典
1. N-COUNT/N-TITLE A cardinal is a high-ranking priest in the Catholic church. (天主教的) 红衣主教
In 1448, Nicholas was appointed a cardinal. 1448年，尼古拉斯被任命为红衣主教。
2. ADJ A cardinal rule or quality is the one that is considered to be the most important. 首要的[正式] [ADJ n]
As a salesman, your cardinal rule is to do everything you can to satisfy a customer. 作为一名推销员，首要原则就是要尽你所能使客户满意。
3. N-COUNT A cardinal is a common North American bird. The male has bright red feathers. 红衣凤头鸟
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cardinal /ˈkɑːdɪnəl/ (cardinals)
剑桥词典
cardinal noun [C] (PRIEST)
a priest of very high rank in the Roman Catholic Church
（罗马天主教会的）红衣主教，枢机主教
Cardinals elect and advise the Pope. 红衣主教们推选教皇并担当教皇的顾问。
cardinal noun [C] (NUMBER)
(also cardinal number)a number that represents amount , such as 1, 2, 3, rather than order , such as 1st, 2nd, 3rd
基数
比较
ordinal
cardinal noun [C] (BIRD)
a North American bird , the male of which has bright red feathers
红衣凤头鸟（见于北美，雄鸟有鲜红色的羽毛） 返回 cardinal