n.乘-累加
He learned to multiply at the age of five. 他五岁学会做乘法。
Profit multiply in the boom year. 兴旺之年利润增长。
multiply accumulate(MAC) unit 乘法累加器
We must multiply our efforts to clear up the mystery. 我们必须加倍努力来澄清这一神秘的事件。
Dust and dirt soon accumulate if a house is not clean regularly. 房屋不经常打扫，尘土很快就越积越多。
