1.A + be + 倍数 + as + 计量形容词原级 + as + B
2.A + be + 倍数 + 计量形容词比较级 + than + B
3.A + be + 倍数 + the + 计量名词 + of + B
4.The + 计量名词 + of + A + be + 倍数 + that + of + B
1 A is 150 B is 50
A is three times the size of B
== A is three time as big as B
==A is three times bigger than B
2 He is twice her age=He is twice as old as she== She is half his age.
基数词+fold
英语中表示倍数的常用句