A dentist may decide to extract the tooth to prevent recurrent trouble.牙医可能会决定拔掉那颗牙，以免反复发作。Think of the clammy hands you get when you visit the dentist!想想你去看牙医时那双黏糊糊的手！The dentist commenced to dig, drill and finally fill...
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....
Some analysts believe he has made a canny political manoeuvre.一些分析家认为，他的这一政治举措很高明。Johnson was plainly a canny individual.约翰逊显然是个狡猾的人物.A canny investor would need to predict when the dollar will once more start tumbling.精...
An anomaly exists in the case of an incompressible fluid.不可压缩流体是一种特殊情况.As in the incompressible flow, the Field and Matter Bicharacteristics of Vortex also have been demonstrated.如同不可压流动, 在可压缩流动中旋涡同样具有场与物质两重特征.Steady - s...