The word "person" is a countable noun.

person这个词是个可数名词。

'Trip' is a countable noun which indicates travel to and from a place. It is often used together with the reason for the return journey.

trip是一个可数名词，指的是旅行到某地和从某地出发，通常会和往返旅行的原因一起说。

The problem is that what is classified and perceived as mass noun in English often functions as a countable noun in another language.

问题是，在英语中被划分为和被懂得为物资名词的，在另外一种语言中往往被用做可数名词。

The noun can be countable or uncountable. The adjective has 2 kinds of transforms are comparative and superlative.

名词可以是可数或不可数的。形容词有比较级和最高级两种。