可以是单数，也可以是数。
例句：Father always fetches the conversation round to his favorite subject. 父亲总是把谈话转到他喜爱的话题上去。
相关介绍
favorite
adj.特别受喜爱的
n.特别喜爱的人（或物）；受宠的人；得到偏爱的人;(国王的)宠臣；亲信，心腹;(尤指马)最有希望获胜者
复数： favorites比较级： more favorite最高级： most favorite
例句：
My favorite song is on the jukebox.
自动点唱机在放我最喜欢的歌。
He was a favorite with his schoolmasters but not his schoolmates.
学校的老师们很喜欢他，但同学们对他并不待见。
Let's go to the football game and cheer for our favorite team.
咱们去看足球比赛，为咱们最喜爱的球队呐喊助威。
