附属从句

a subordinate clause

把句子从黑板上抄下来

списать фразу с доски

逗号有时用来隔开一个句子中间的从句。

A comma is sometimes used to set off a clause in a sentence.

复合句正式文体中包括若干从句的结构匀称的句子

A sentence of several carefully balanced clauses in formal writing.