这种行为常常可以在几种雀科鸣禽中看到.This behaviour is commonly observed among several species of finch.这是一只鸣禽,在水面上飞得很低.He was a warbler and flying very low over the water.成年鸣禽前脑的某些区域具有神经元的再生现象.Neurogenesis occurs in some areas of the tel...
全国的核武器工厂均受到了有毒废弃物的严重污染。Nuclear weapons plants across the country are heavily contaminated with toxic wastes.这很可能是世界上受污染最严重的一片水域。It is probably the most polluted body of water in the world.伦道夫的著作专门论述污染对健康的影响。Randolph'...
Introduced in the paper is a newly developed centring - roll system used on rotary pipe mill.介绍了一种用于斜轧钢管生产的新式定心辊装置.He carefully earthed up the roots of the newly - planted tree.他仔细地在新栽的树的根部培上土.His newly published novel w...
Thomas Edison was one of the greatest inventors in the world.爱迪生是世界上最伟大的发明家之一.Inventors were John Bardeen, Walter Brattain and William Shockley.发明者包括约翰.巴丁, 沃尔特.布拉顿和威廉. 肖克利.Inventors are now working on steam cars as well ...