欢迎下载会读英语的firefox语音插件  
同步课堂 学前英语 妙语连珠 交流沟通 儿歌精选 卡通游戏
ping is taller than pong
pong has longer hair than ping
ping is in class 4
pong is in class 1
ping's favorite colour is blue
pong's favorite colour is yellow
首页