1.a range of 一系列

We carry a range of educational software.

我们出售各种教育软件aFZ3nU9X76[o)SFywdp)。

2.with the aim of 目的是为了

A grand art and cultural show would be held in our school with the aim of celebrating the 70th anniversary of our motherland.

我们学校将会举行一场盛大的文艺表演以庆祝祖国母亲70周年生日O^20,4ay~5Il%。

3.patent office 专利局

The patent Office rejected his application, citing a clause in the patent code which says that life forms are not patentable.

专利局拒绝了他的申请，原因是专利法典中的一项条款中规定，生命形态不属于可取得专利的范围IFTmLYd)O^v3iIs9。

4.derive from 源出，来自

Elegance, he believed, did not derive from abundance.

他相信，优雅并不来自于繁冗的装饰|+)6]_gqSl(+6ACK0Zb。