the noun to which a relative pronoun refers is called the 「antecedent」 of the pronoun.
关系代词所指代的名词唤作关系代词的「先行词」。
but「 is a very commonly used word. it can be used as a conjunction, a preposition, an adverb and a relative pronoun in sentences.」
是一个十分常用的词,它既可以作连词、介词、副词及代词,又可以和其它词组合构成短语来表示许许多多的意思。
in a sentence, a relative pronoun is used to refer to the noun mentioned before it. it is usually used to add more information about the noun.
在一个句子里,关系代词是用来指之前所提到的名词。它通常用来添加更多关于名词的资料。
is a relative pronoun necessary here ?
这里需要一个关系代词吗?