英语中倍数的表达方式
一、用 times 表示倍数(一般限于包括基数在内三倍或三倍以上的数。表示两倍的数,一般用 twice )。其句式有:
1. “… times +形容词 / 副词的
比较级+ than …”例如: Line AB is three times longer than line CD. 线段 AB 是(线段) CD 的三倍长。
This hall is five times bigger than our classroom. 这个大厅比我们的教室大 5 倍。
2. “… times +as + 形容词 / 副词的原级+ as …”例如: This table is three times as long as that one. 这张桌子是那张桌子的三倍长。
This dictionary is five times as thick as the one you borrowed from the library. 这本词典的厚度是你从图书馆借的那本(厚度)的 5 倍。
3. “… times + the + 名词(如: size, height, weight, length, width 等)+ of …”例如:
The earth is 49 times the size of the moon. 地球的体积是月球的 49 倍。
This river is three times the depth of that one. 这条河是那条河的三倍深。
4. “… times + more +名词+ than …”例如:
He earns five times more money than he did ten years ago. 他现在挣的钱比十年前挣的多 5 倍。
There are twice more students in our class than in theirs.
我们班的学生人数比他们班多两倍。