描述性附加谓语的主项可以是句子的主语，也可以是宾语。

A depictive adjunct predicate may be hosted by either the subject or the object.

主词，主项，主概念：逻辑命题中的一个词，它表示肯定或否定的论题。

Logic The term of a proposition about which something is affirmed or denied.