that's easy,Bob is twice as old as jack,so he is now thirty.中的as old as

问题描述:

that's easy,Bob is twice as old as jack,so he is now thirty.中的as old as

这句话翻译过来是:Bob的年龄是jack年龄的2倍大,所以,他现在30岁。as old as 意思 和。。。一样老 就是 一样大 的意思。可以知道jack今年15岁了。

一样大 (指年龄)

as old as 和...年龄一样大
twice as old as 年龄是..两倍
bob是jack年龄两个倍,所以他现在30岁了.