是的，`skill` 是一个可数名词。它通常用来指代一个人或机器所具备的特定技能或技术。`skill` 的复数形式是 `skills`。
He has a great skill in playing the guitar.
Reading and writing are different skills.
The job requires a lot of skill.
The cut of a diamond depends on the skill of its craftsman.
希望这能帮助你理解 `skill` 的用法，