You must have noticed how tired he sometimes looks.你一定注意到他有时候显得特别疲惫。She noticed her own proud walk had become a shuffle.她意识到自己趾高气扬的步伐已变成了拖着脚走路了。He noticed that fabric was tearing away from the plane's wing.他注意到机翼在一块...
我们需要各方面的帮手：工程师、科学家（例如地质学家）和教师。We need helpers of all types, engineers, scientists (e.g. geologists) and teachers.查理？噢，他是个不可多得的好帮手，非常喜欢孩子。Charlie? Oh, he's a treasure, loves children.这种电池充电器是摄影工作者的好帮手。This battery bo...
这是杀菌的特效药，能将其全部消灭。It is an effective treatment for the bacteria and does kill it off.一些阳离子蛋白质是能杀菌的.Some of the cationic proteins are bactericidal.食品加工中冷杀菌技术可克服传统热杀菌的不足.Cold sterilization in food processing can overcome th...
在工业上，金刚石可以用作工具表面坚固、耐腐蚀的覆盖层。In industry, diamond can form a tough, non-corrosive coating for tools.覆盖层屏蔽掉了放射性.Overburden had concealed the radioactivity.覆盖层升高至地表.The confining material rises to the surface....
他们在宣传新思想，对此她表示赞许。She applauds the fact that they are promoting new ideas.对新思想的迅速吸收the rapid assimilation of new ideas当时的宗教气候容不得新思想。The religious climate at the time was uncongenial to new ideas....