day 是可数名词还是不可数名词？

可数
days
How many days....

一天(24小时),日[可数]
"What day is today?" "It's Monday."
"今天星期几?" "今天星期一。"
白昼,白天;黎明[可数][不可数]都可以
He is seldom at home during the day.
他白天很少在家。

day当然是可数名词了
for example one day two day three day

既是可数 也是不可数

day当然是可数名词了
for example one day two day three day

可数名词.不加S