“一组字”造句

若在其他人定义一组字词时,它们是否一样 呢 ?
If somebody else defines a set of terms: are they the same?

子句是指一组字,这组字包括著主语和动词.
A clause is a group of words containing a subject and a verb of its own.

它是一组字串,用以阻止 ( 未授权的 ) 用者存取档案.
It is a string of character used to stop ( unauthorized ) user accessing the file.