In almost all cases, blunt rather than sharp trailing edges are used . 在几乎所有的情况下，却使用钝的面不是尖的后缘。
Certain explosives are so sluggish that they require more powerful initiation . 某些钝感的炸药常常要求采用更强有力的起爆方式。
The danger, of course, could insidiously dull the sharp edge of problem solving . 当然，危险可能不知不觉弄钝了解决问题的锐利。
His back had throbbed for the rest of the morning with a dull constant ache . 他背上还是隐隐感到一阵阵钝痛，不停地痛了一个上午。
The skull of the man had been broken, as if with a blunt instrument of iron . 这个人的头骨被击破了，仿佛是用一种钝的铁器砸裂的。
The man proved to be deaf as well as dim-witted , for his mumbled answers were quite irrelevant . 那老僧既聋且昏，又齿落舌钝，所答非所问。
It seemed, the old woman's weapons had been blunted in parrying the daytime intruders . 这位老太太的武器似乎已经在抵挡白昼入侵者的战斗中挫钝了。
Foreign bodies are removed by passing a blunt hook deep to the foreign body and raking it out . 异物的取除可用一个钝钩子深入至异物，并将其钩出。
Their results showed a more rapid rate of increase in the dynamic sif for blunt than for sharp notches . 它们的结果表明：钝切口比尖锐切口的动态应力强度因子增长率更快。
A pair of razorsharp incisor tasks jut forward from the lower jaw and grind against two blunter versions in the upper jaw . 象剃刀那样锋利的一对门牙从下颚向前突出，可以与上颚的两颗较粗钝的牙对称嚼食。
