multiply

过去式：multiplied过去分词：multiplied现在分词：multiplying第三人称单数：multiplies

1. vt. & vi. 增加 produce a large number of; make greater in number
2. vt. & vi. 繁殖 increase in number by procreation
3. vt. & vi. 乘 combine two numbers by adding one number to itself a certain number of times

• multiply several-fold增加好几倍
• multiply alarmingly令人惊恐地增加
• multiply beneficially有利地增加
• multiply ceaselessly不停地增加
• multiply deliberately审慎地增加
• multiply enormously大量增加
• multiply mathematically数学上增加
• multiply rapidly繁殖得很快

• multiply...by以…乘
• multiply five by three以三乘五
• multiply twice by itself自乘二次

multiply by乘以；乘上

1. If you multiply four by five, the answer is twenty.
   四乘以五,答案是二十。
2. Let us multiply the height by the width to determine the area.
   用宽乘以高来确定面积。
3. This will multiply our chances of success.
   这将增加我们成功的机会。
4. He managed to multiply his profits.
   他成功地增加了利润。
5. We have to multiply our efforts.
   我们得更加努力。

1. He learned to multiply at the age of five.
   他五岁学会做乘法。
2. The little boy can add, subtract and multiply, but cannot divide.
   那小男孩会做加法、减法和乘法，但不会做除法。
3. Rabbits multiply quickly.
   兔子繁殖很快。
4. Cells multiply by means of cell division.
   细胞通过细胞分裂的方式来繁殖。