train=ch+rain 如果发不好rain, 就发不好train

回答: A Trainyingyudidida2013-05-14 10:36:49


rain,rain, train train, a train, a train, look! a train



chain,chain,chain

所有跟帖: 

Very good explanation and Demo, thznks DT. -yingyudidida- 给 yingyudidida 发送悄悄话 yingyudidida 的博客首页 (0 bytes) () 05/15/2013 postreply 09:40:58

请您先登陆,再发跟帖!