本集核心英语单词及例句：
1.attractive (adj.)有魅力的 His new girlfriend is attractive, funny, smart. 他的新女友有魅力、有趣、聪明。
2.league (n.)联盟；社团 They are in league with each other. 他们是通同一气的。
3.baseball (n.)棒球 Baseball is America's favorite pastime. 棒球是美国人最喜欢的娱乐活动。
