倍: Ⅰ名词(跟原数相同的量) times 短语和例子五倍 five times; 百倍 hundredfold; 该厂产量成倍增长。 the output of the factory has doubled and redoubled. 十是五的两倍。 ten is twice as much as five.Ⅱ形容词(加倍) double; twice as much 短语
增加: increase; raise; add 短语和例子产量比去年增加一倍。 the output is double that of last year. 要求去那儿的人数在增加。 the number of people asking to go there is on the increase.; 增加保费 additional premium; 增加保险费 increa