Unit 3
- usually通常by bus乘公交车by boat乘小船by ship乘轮船by car乘小汽车by taxi乘出租车by bike骑自行车on foot步行by school bus乘校车by subway乘地铁
- by plane乘飞机by train乘火车garden花园meeting place集合地点gate大门transportation交通film电影earth地球; 世界snow雪theatre剧场come来enjoy欣赏park公园apple苹果