单词：white-throated sparrows
单词：white-throated sparrows 相关文章
Did you know birds sing in dialect? They do. The song of a great tit from the countryside is a far cry from that of his city cousin. And some song dialects can change nearly as fast as human slangthe Indigo Bunting changes tune from year to year. To
Scientific American(十)月
035 The Feather It was a cold and dark night when the sun set in the west. All of the chickens in the hen house sat on perches, closed their eyes and got ready to sleep. Good night! Everyone fell asleep after saying good night to each other. However,
100个儿童英语小故事
This is Scientific American 60 second Science, I am Christopher Intagliata, got t minute. City dwellers compete with the din of traffic to be heard. And its not just urban humans. Sparrows living in San Francisco's Presidio district actually tweet th
Scientific American(四)月
The swallows and sparrows are very pleased to find a place on the roof of the hall for their nests. The mother birds are feeding their babies with pleasure, which assumes a scene of peace and harmony. But they have never thought of the following scen
英语美文
There are three wires-- you need a green one, a yellow and one blue. Cut the blue. 有三根线，你要找到一根绿线，还有一根黄线和一根蓝线。剪断蓝线。 All right, I got it, I got it. Oh, my God. No, no, no, no, no! 好，我知
绿箭侠第一季