这个句子中的实义动词是“跑”。

The notional verb in this sentence is run.

实义动词表示具体的动作或状态。

A notional verb expresses a specific action or state.

他用一个实义动词来描述他的日常活动。

He used a notional verb to describe his daily activities.

学习英语时，理解实义动词很重要。

Understanding notional verbs is important when learning English.

她在解释实义动词和助动词的区别。

She is explaining the difference between notional verbs and auxiliary verbs.

主动词构成动词词组的语义核心，它表示动词词组的基本意义，因此，主动词又叫“实义动词”。

Main verbs are also called notional verbs functioning as the head and indicating the basic meaning of a verb phrase.

许多不及物实义动词与形容词搭配,构成复合谓语句型.

Many intransitive notional verbs plus adjectives form compound predicate sentence patterns.

实义动词）教室需要清洁了。

The classroom needs to be cleaned?

用于实义动词前构成否定句和疑问句

Used before a full verb to form negative sentences and questions

我想让你查查系动词与实义动词间的区别。 …我要您查寻一个连接的动词…

I want you to look up the difference between a linking verb, and an…