门类的英文：
1.a class; a kind; a category; a classification

参考例句：

"Love" is a theme for many kinds of music, especially for pop music.
“爱情”是很多音乐门类的主题，尤其是流行音乐。

"a field or category of art, such as music, ballet, or literature."
艺术领域或门类的一支,如音乐,芭蕾或文学。

He intends to extend his study to cover other ramifications of the problem.
他想将自己的研究范围扩大到包括这一问题的其他有关门类。

In Western fine arts, architecture and sculpture are the basis of the other formative, or visual, arts.
在西方美术中，建筑和雕塑统领着其他门类造型艺术

The Nabis proclaimed that an artist should be versed in various spheres of art, the applied arts included.
纳比派宣称一个艺术家应该精通各个门类的艺术，包括应用美术。

class是什么意思：
n. 班级；阶级；种类
v. 分类；把…分等级
adj. 很好的

It is a step class.
这是踏板操训练班。

The class dismissed.
下课了。

The class teacher sectioned the class for dialogues.
老师把班级分组进行对话练习。

kind是什么意思：
n. 种类；性质
adj. 和蔼的；宽容的；友好的

Kindness always begets kindness
善有善根

Certain kinds of wine go with certain kinds of food.
某些酒与某些饭食相配。

The kindness of caring for—saying of the sons for their parents’ kindness
顾复之恩

category是什么意思：
n. 种类，分类；范畴

There are different categories of books in a library.
图书馆里有各种不同种类的书籍。

These two categories are aggregated in the tables.
在表中这两大类综合在一起。

The forests are divided into the following five categories
森林分为以下五类