用英語(yǔ)表達(dá)"A 是 B 的 N 倍長(zhǎng)（寬,高,大,重等）","A 比 B 長(zhǎng)（寬,高,大,重等）N 倍" 或"A 的長(zhǎng)度（寬度,高度,大小,重量等）是 B 的 N 倍",可用下列幾種句型.
1."A + be + 倍數(shù) + as + 計(jì)量形容詞原級(jí) + as + B".
This tree is three times as tall as that one.這棵樹是那棵樹的三倍高.
His father is twice as old as he.他父親的年紀(jì)有他兩倍大.
2."A + be + 倍數(shù) + 計(jì)量形容詞比較級(jí) + than + B "
The Yangtze River is almost twice longer than the Pearl River.
長(zhǎng)江差不多比珠江長(zhǎng)兩倍.
The dictionary is exactly five times more expensive than that one.
這本字典比那本恰好貴5倍.
3."A + be + 倍數(shù) + the + 計(jì)量名詞 + of + B "
The newly broadened square id four times the size of the previous one.
新擴(kuò)建的廣場(chǎng)是未擴(kuò)建時(shí)的四倍大.
4."The + 計(jì)量名詞 + of + A + be + 倍數(shù) + that + of + B "
The size of the newly broadened square is four times that of the previous one.
新擴(kuò)建的廣場(chǎng)為以前的四倍大.
5.其它
I'm twice/ double his age.我的年齡是他的兩倍.
I've paid five times the usual price for the stamp.
我出了5倍于往常的價(jià)格買這枚郵票.
The average income of the staff has been increased by 50 percent compared with last year.與去年相比,該單位職工的收入增加了50%.
The price of TVs are twofold( adj.兩部分的,雙重的) down over these years.
近幾年來(lái),電視機(jī)的價(jià)格下降了兩倍.