一个星期天,我去街上买东西。走着,走着,突然发现马路旁边围着一群人。我钻进人群中,只见矮小的树杈上挂着一个笼子,里面有三只小燕子。它们的羽毛蓬松了,眼睛六神无主地望着笼外。这时从人群中挤出一位老人,他问卖鸟人“:这燕子多少钱一只?”“一只4元。”卖鸟人漫不经心地说 One Sunday, I went to the street to buy things. Walking, walking, suddenly found a group of people around the road. I got into the crowd, I saw a small tree hanging on a tree cage, which has three small swallows. Their feathers were fluffy and their eyes looked out of their cages. At this moment, an old man was crowded out from the crowds and he asked the sold-for birds, “How much is this swallow?” “A 4 yuan.” The bird-bearers said casually