2、义。下面对倍数的几种表达法作一归纳: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:(前三种为主)1.“…times+形容词/副词的比较级+than…”例如:LineABisthreetimeslongerthanlineCD.线段AB是(线段)CD的三倍长。Thishallisfivetimesbiggerthanourclassroom.这个大厅比我们的教室大5倍。This rope is twice longer than that one
3、.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:Thistableisthreetimesaslongasthatone.这张桌子是那张桌子的三倍长。Thisdictionaryisfivetimesasthickastheoneyouborrowedfromthelibrary.这本词典的厚度是你从图书馆借的那
4、本(厚度)的5倍。Asia is four times as large as Europe5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,width
5、,age等)+of…”例如:Theearthis49timesthesizeofthemoon.地球的体积是月球的49倍。Thisriveristhreetimesthedepthofthatone.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.