喏,喏, 要这样挖,才挖得快.Look, do it this way and you can dig faster.你如果挖得足够深, 就可以找到水.If you dig down far enough, you may find water.苏联的办法把农民挖得很苦.The Soviet Union has adopted measures which squeeze the peasants very hard....
正割函数的倒数，称为余割函数。The value of the complement of the secant is called the cosecant.现在，让我们回到阶乘函数上来。Now, let's return to the factorial function.在非自主的系统中, f是t的显函数.In a nonautonomous system, f is explicitly a function of t...
They had seen him trawling and therefore knew that there were fish.他们曾见过他用拖网捕鱼，因此知道那里有鱼。Men are anxious to improve their circumstances, but are unwilling to improve themselves; they therefore remain bound.--James Allen人们...
氧化胆固醇可能是造成动脉堵塞的元凶。Oxidized cholesterol may be responsible for furring up the arteries.警方还未能查明谁是这些造假案的元凶。Police have not been able to find out who was responsible for the forgeries.抽菸是造成口臭的著名元凶.Tobacco smoking is a notabl...