define sth as sth造句（use sth for doing sth造句）

1.Life imprisonment is defined as 60 years unter state law.按照州法律终身监禁定义为60年。

2.You must define certain operators as matched pairs.

3.if it were known, it could not be defined as unique.如果是我们知道的，那么就不是独特的。

4.This is defined as trade.