illness是可數名詞嗎

但是不可數

1.

患病(狀態);身體不適[U]

During

his

illness,

John

stayed

indoors.

約翰在生病期間足不出戶。

2.

(某種)疾病[C]

I

have

never

seen

her

since

her

father

fell

sick

of

a

serious

illness.

自從她父親生重病後,我就再也沒有見過她。