取120个值计算平均数。Take a hundred and twenty values and calculate the mean.把它们相加再除以5就是平均数，明白吗？Add them together, divide by five, and you've got the average. Okay?在新英格兰人们的收入通常比全国平均数低10%.Income in New England is commonly 10 ...
在网络中,凡三个或三个以上的导体联结的一点,称为节点(或称分支点).A Branch point in a network is a point where three or more conductors are joined.异常石墨的形态表现出相互联结的立体网络状.The morphology of abnormal graphites has the three - dimensional interconnection net...
The President's flip-flops on taxes made him appear indecisive.总统在税收问题上的一再反复使他显得优柔寡断。a pair of flip-flops一双人字拖鞋Its proud successes and its spectacular flops spurred research efforts.它的应用有多少次辉煌的成就,也有不少次显然的失败,这就推动了对它的...
He have hoarse and have lost his voice at whiles.他声音嘶哑,有时失声.In practice, error at whiles sll the time seems unavoidable.在实践中, 差错有时似乎总是不可避免的.He curled them between his palms at whiles and swallowed them softly.他不时她用双掌把它搓成...