单词范围：人教版 四年级上册 第三单元 重点单词

usually
通常
P24
by bus
乘公交车
P24
by boat
乘小船
P24
by ship
乘轮船
P24
by car
乘小汽车
P24
by taxi
乘出租车
P24
by bike
骑自行车
P24
on foot
步行
P24
by school bus
乘校车
P24
by subway
乘地铁
P24
by plane
乘飞机
P24
by train
乘火车
P24