one of the traditional categories of words intended to reflect their functions in a grammatical context

Irregular syntactic structures are linguistically universal in that they refer to different representations of the same word class in similar syntactic configurations.

不规则句法现象是相同词类的词在相似句法构造里的不同表达，它普遍存在于语言之中。

Dividing word class leads to much dispute in the Chinese word study the onomatopoeia is one of kind of the word class.

在汉语的词类问题研究中，引起争论最多的是词类划分问题，象声词即是其中的一类。

When English adopted the word class from French around 400 years ago Greek and Roman were seen as 「the original」 languages and so were tagged with this 「first」 meaning.

400多年前，英语从法语中吸收了class这个单词，那个时候，希腊和罗马语被看成是「原初的语言」(theoriginal)，所以也带上了「第一」的含义。

Word form, word class and the grammatical position of words in a sentence are closely related. Words cannot be chosen freely to fill in a grammatical position of a sentence.

词形、词性和词的语法位置之间有密切联系，不能选用任意词性的词来填充某一语法位置。

Using the picture-word interference paradigm, the study probed into the activation of word class information in Chinese speech production.

采用视觉呈现干扰词的图片—词干扰实验范式，探讨产生不同语法结构时言语产生汉语词类信息的加工进程。

Prepositions, as the most widely and frequently used word class in English, often cause confusion among the students.

介词也不例外，它作为英语语言里应用最广和最频繁的词类之一，经常会令学生迷惑不解。

We discuss the word class of Ziwei through the theories of compound word and single-morpheme word, and think that it is the compound word, not the single-morpheme word.

文章运用现代联绵词、复合词理论对「孳尾」一词的词类归属问题进行了一些探讨，认为「孳尾」不是复合词，而是联绵词。

They are of similar word class and grammatical form. But their non-interrogative usages differ because of syntactic constraints.

而非疑问用法由于受到不同的句式制约，产生了不同的表达方式。

The word class that qualifies verbs or clauses.

修饰动词或从句的词类。

Grammatical features in the same word class suggest two related sequences: syntactic and semantic structures.

词类的语法特征隐含两种相关序列：句法结构与语义结构。

The multi-word verb is a special word class in English.

多词动词是英语中一种特殊的词类。