The method of deducing Pythagorean Triples ( irreducible and reducible ) is explained.并说明了互素勾 股数 组的导出方法....the irreducible complexity of human life.人的生活本就复杂，难以简化to cut staff to an irreducible minimum把职员减少到最低限度Expenditure...
其制作材料是软木，看起来像是云杉。It was made of soft lumber, spruce by the look of it.冷杉 、 云杉和松树都是针叶树.Firs, spruces and pines are conifers.我跟在他的后面, 穿过一片潮湿的云杉树林,来到一片开阔的峭壁前.Following in his steps, I passed through damp spruce woods to an ...
How very thoughtless. I'll give him a piece of my mind.真是太没头脑了，我要告诉他我很生气。Mr. Long was now cutting himself a piece of the pink cake.朗先生正在给自己切一块粉色蛋糕。Strain the juice through a piece of gauze or a sieve.用一块纱布或过滤网将果汁过滤一...
The probability of survival is the reciprocal of fecundity.生存的概率是生殖力的倒数.The boy's fecundity of imagination amazed his teacher.男孩想像力的丰富使教师感到惊异.He used aphid fecundity data to elucidate the theoretical effects of anti...