n.乘-累加

He learned to multiply at the age of five. 他五歲學(xué)會做乘法。

Profit multiply in the boom year. 興旺之年利潤增長。

multiply accumulate(MAC) unit 乘法累加器

We must multiply our efforts to clear up the mystery. 我們必須加倍努力來澄清這一神秘的事件。

Dust and dirt soon accumulate if a house is not clean regularly. 房屋不經(jīng)常打掃，塵土很快就越積越多。