小数百分比英语怎么读(小数分数百分数表达)
英语数词篇-小数、百分数和倍数表达法
百分数
百分数直接在基数词后加上percent
15%-fifteen percent 60%-sixty percent
分数和百分数后面不能直接跟名词或代词做主语,而用以下形式:分数、百分数+of(+限定词)+名词/代词,其谓语动词与of后的 名词在人称和数上保持一致。
Two thirds of the money was spent on food.三分之二的钱被用来买食物。
小数表达法
小数点前面的数读基数词,小数点读作point, 零读作zero或o;小数点后则按基数词读,把数字一一读出。
9.65-nine point six five
96.87-ninety-six point eight seven
0.54-zero point five four(不能读作zero point fifty-four)
0.05-zero point zero five或point five
倍数表达法
表示“一倍”时用once, “两倍”时用twice/double, 表示“三倍”及“三倍以上”的倍数用“基数词+times”
1.倍数+the size/weight/height/depth/width/length/age of…
This desk is nine times the size of that one.这张桌子是那张桌子的9倍大。
This street is twice/double the width of that one. 这条街道比那条街道宽两倍。
1. 倍数+形容词/副词比较级+than
I am twice older than you.我的年龄是你的两倍大。
2. 倍数+as+形容词/副词原级+as…
This sofa is five times as large as that one.这个沙发是那个沙发的五倍。
3. 形容词/副词比较级+than…+by+倍数
The tree is bigger than that one by twice. 这棵树比那棵树大两倍。
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