turn red
變紅了
on one's way to an exhibition
某人去展覽館的路上
get on a bus
乘上公共汽車
get off
下車
each other
相互
in front of
在。。。之前
give one's seat to an old lady
把座位給一位老奶奶
young pioneer
少先隊員
look up
抬頭看
stand up
站起身來
over and over
一遍又一遍地
2003/12/11
第四課