1.The river is five times the length of that one
2.The river is five times as long as that one
3.The river is four rimes longer than that one.老師上課講的快有點(diǎn)亂 只記了幾個(gè)課堂筆記。能說一下它們的區(qū)別、翻譯嗎？A is倍數(shù)as……asBA is倍數(shù) 比thanBA is二者差 比than BAis not nearly B1. 在表示兩倍時(shí)，我們常用twice或double。例如：This year we have produced twice as much corn as we did last year. 我們今年生產(chǎn)的玉米是去年的兩倍。She is double my age. 她的年齡是我的兩倍。2. 在表示三倍或三倍以上的倍數(shù)時(shí)，我們常用times表示，可以譯為"是......的幾倍"；"比......大/高/長......幾倍"等等。①用"主語+謂語+...times + the size(或amount, length...)+ of +被比較的內(nèi)容"表示。例如：The size of your room is five times the size of mine. 你房間的面積是我房間面積的五倍。②用"主語+謂語+...times + 形容詞（副詞）的比較級(jí) + than +被比較的內(nèi)容"表示。例如：Your bag is twice bigger than mine. 你的包比我的大兩倍。③用"主語+謂語+...times + 形容詞+ (n.) + as + 被比較的內(nèi)容"表示。例如：Your book is three times as thick as mine. 你的書比我的書厚三倍。④用"主語+謂語+...times + what引導(dǎo)的從句"表示。例如: Cotton output is now ten times what it was ten years ago. 目前棉花的產(chǎn)量是十年前的十倍。⑤用"主語+謂語+...times + upon(或over)..."表示。例如：The size of the sun is a million times over that of the earth. 太陽的體積比地球的體積大一百萬倍。3. 可用"主語+謂語+...+ as + 形容詞（副詞） + again + as"表示。例如：Nine is as much again as three. 九是三的倍數(shù)。4. 可用"主語+謂語+ 倍數(shù)（百分比）"表示。例如：This year we'll learn 20% more words from our texts than we did last year. 今年我們學(xué)習(xí)的單詞比去年多20%。5. 用"主語+謂語+ to + 數(shù)詞"表示"增加到......數(shù)"。例如：The number of students in our school has increased to 2001. 我們學(xué)校的學(xué)生數(shù)已增加到兩千零一人。6. 用"主語+謂語+by+數(shù)詞（百分比、倍數(shù)）等"表示。例如：The cost of the paper has reduced by 4%. 報(bào)紙的成本已減低了百分之四。7. 用"主語+謂語+...+ as +形容詞（副詞）+ as +..."表示。例如：My English is not half so / as good as yours. 我的英語沒有你的一半好。