问题描述：
英语猜一猜
I am small,light and can move quickly.I can speak,though I have no mouth.I travel without feet,and I can express my master's thoughts.What am
I am small,light and can move quickly.I can speak,though I have no mouth.I travel without feet,and I can express my master's thoughts.What am
问题解答：
我来补答展开全文阅读