examination可數嗎?

例句:

examination可數嗎?

Your proposals are still under examination.

你的提議仍在審查之中。

You will need to have a routine biannual examination.

你需要做一年兩次的常規檢查。

They found invasive cancer during a routine examination.

他們在一次例行檢查中發現了擴散的癌細胞。