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(duì)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