toothache是可数名词吗（toothache如何划分音节）

toothache不是可数名词，因为toothache指病状为抽象名词所以为不可数名词，中文意思是n,牙痛

She had toothache all day.她牙疼一整天了。

I've got toothache.

Do you often have a toothache?你经常牙痛吗？

I have a terrible toothache.我的牙疼的很厉害。