单词：birdcalls
单词：birdcalls 相关文章
By Ron Corben Bangkok 23 January 2007 Duck farmer looks to her duck receiving vaccination from Agricultural officials and volunteers in Penati, Bali, Indonesia, 23 Jan 2007 Fresh outbreaks of bird flu have triggered a renewed United Nations call for
2007年VOA标准英语（一月）
Birds and planes have been colliding since the Wright brothers first took to the air. There are dozens of bird strikes each day, causing hundreds of millions of dollars in damage to airplanes each year, and putting the lives of passengers and crew me
VOA标准英语2010年(十)月
The character of the forest changes as we descend, becoming ever darker and damper, favoring different kinds of animals and plants. Less than two percent of the sunlight reaches the floor. But even here there is extraordinary variety. In the Great Is
探索与发现2012年
Once upon a time，a skilled archer called Geng Lei and the king of the state of Wei were standing at the foot of a tall tower．Looking up，they saw birds soaring in the sky．Sire，I can bring down a bird for you by using a bow with no arrow．sa
趣味英语
Lucy has a new pet. Do you know what kind of bird it is? 露西养了一只新宠物。你知道这是一只什么鸟吗？ Lucy calls her Polly. 露西叫它波利。 Polly can say, Poor Poll! Poor Poll! Polly wants a cracker; 波利会说：可怜的
美国语文第一册