英语中倍数的表达方式.docVIP

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。This?rope?is?twice?longer?than?that?one．This?hall?is?five?times?bigger?than?our?classroom．The?car?runs?twice?faster?than?that?truck．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。Asia?is?four?times?as?large?as?Europe 亚洲的面积是欧洲的四倍。 This?big?stone?is?three?times?as?heavy?as?that?one． 这块大石头的重量是那一块的三倍。（这块石头比那块重二倍） The?plane?flew?ten?times?as?high?as?the?kite． 那架飞机飞行高度是那个风筝的十倍。（高出九倍） 3. “… times + the + 名词（如： size， height， weight， length， widt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。This?street?is?four?times?the?length?of?that?street. 这条街是那条街的四倍长。 This?hill?is?four?times?the?height?of?that?small?one．这座山的高度是那座小山的四倍。（比那座小山高三倍）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。5. “… times +as many （或 much ）＋名词＋ as …”例如： Weve produced twice as much cotton this year as （ we did ） ten years ago. 今年我们生产的棉花比十年前多了一倍。（汉语中的多一倍实际上也指两倍一样多。） He has got three times as many books as his sister. 他拥有的书的数量是他妹妹的 3 倍。6. “… times + what 从句”例如： The length of the road is four times what it was three years ago. 这条路的长度是三年前的 4 倍。 The price of the meat is twice what it was last year. 肉价是去年的两倍。7.? “… times + up on （或 over ）…”例如： The size of the sun is a million times over that of the earth. 太阳的体积比地球的体积大一百万倍。 He is three times up on your age. 他的年龄是你的 4 倍（或：比你的年龄大 3 倍）。8. “… +by + … times ”例如： Compared with last year， our coal output has increased by three times. 与去年相比，我们的煤产量增长了 3 倍。 His s