你的书桌至少是我的三倍大。

Your desk is treble as big as mine.

这个房间是那个房间的三倍大.

This room is 3 times as large as that room.

我想有一座比你三倍大的房子。

I want to have a house tripled than yours.

亚洲是欧洲的四倍大（比欧洲大三倍）。

Asia is three times larger than Europe.

这座新楼是那座旧楼的四倍大（四倍高）。或：这座楼比那座旧楼大三倍（高三倍）。

The height of the new building is four times that of the old one.

这个房间比那个房间大三倍(是那个房间的四倍大).

This river is four times the width of that one.

它是矮暴龙的三倍大。它要做的就是杀了对手。

She's three times bigger. She just needs to kill him.

人体X染色体的显微扫描照片。 （得到照片研究中心允许而复制） X染色体是Y染色体的三倍大，而且也传递着比其多100倍的基因信息。

The X chromosome is three times the size of the Y chromosome and carries 100 times the genetic information.

“不知道要多久才能好，”46岁的曾Defang摸着缠在腿上血迹斑斑的绷带说，这条腿肿得有平时三倍大。

I don't know how long it's going to take to heal, said Zeng Defang, 46, touching a leg wrapped in a bloodstained bandage and swollen to three times its normal size.