drama 的数drama 做"戏剧,剧本' 讲时.字典上说是可数名词,并有 a drama 的用法,但是又说不用复数,

several drama pieces or several pieces of drama
several drama shows
Lala- another good question,normally,people say several drama shows..If it is a movie series then..yes..you can add 's' to indicate that it's a plural.
This is often the safest way to indicate that there are more than one drama..
A drama show/ several drama shows-
But,if you are at talking about opera shows then dramas would be incorrect
But- when speaking..no one is that picky about drama or dramas

作为戏剧、电视剧、广播剧的意思时 是可数的（a play for radio,TV,theatre)
作为剧本、戏剧作品、戏剧学的意思时 不可数(plays considered as a form of literature)
我想是这样的

作为戏剧、电视剧、广播剧的意思时 是可数的（a play for radio,TV,theatre)
作为剧本、戏剧作品、戏剧学的意思时 不可数(plays considered as a form of literature)
——〈朗文当代高级英语辞典〉

戏剧、电视剧、广播剧的意思时 是可数的（a play for radio,TV,theatre)
剧本、戏剧作品、戏剧学的意思时 不可数(plays considered as a form of literature)