他不肯挂出求和的信号, 对别的表示也不去理睬.He would hang out no signals , he would take notice of none.求和的运算是通过节点来表示的.The operation of summing is represented by the nodes.应当在此介绍一下求和的算符.It is convenient to introduce here the summation operat...
The Wall Street Journal uses 220,000 metric tons of newsprint each year.《华尔街日报》每年用去22万公吨新闻纸。They get their hands covered in newsprint.他们手上满是油墨。Acres of newsprint have been devoted to the issue.报纸大肆报道了这一问题....