A bald eagle is a large white - headed eagle.秃鹰是一种头上有白毛的大鹰.There's a picture of the bald eagle on the United States one - dollar bill.在一美元的钞票上就有秃鹰的图案.The pyramid and the bald eagle are both parts of the Great Seal.金...
Radium can be used to treat cancer.镭可以用来治疗癌症.Radium can be fixed some distance from its original source.镭在离它的原始母体一定距离上固定下来.He was the discoverer of the element radium.他是镭元素的发现者.Radon is the daughter of radium.氡是镭的子体....
每条连衣裙都缝上了褶边，并经过严格的检查，不允许有任何瑕疵。Each dress is hemmed and scrupulously checked for imperfections.这项研究工作毫无瑕疵，怎样称赞都不过分。It is difficult to praise this immaculately researched work too highly.加纳在人权方面并非毫无瑕疵。Ghana does not have a...
越南战场上用于毁灭林区的“橙剂”，其成分是二氧杂芑。Dioxin was the ingredient in Agent Orange, used to defoliate Vietnam.所形成的水解反应物是二盐酸甲撑二氧胺.The resultant hydrolytic reaction product is methylenedioxyamine dihydrochloride.后者是由二氧杂环戊烷中活化较弱的C -H 键离解而...