afternoon是不是可数名词

Let's look round the town this afternoon.

咱们今天下午游览市区吧。

The President will be giving a press conference this afternoon.

总统今天下午将举行记者招待会。

Fog and low cloud cover are expected this afternoon.

预计今天下午有雾和低空云层。

Can you see to it that the fax goes this afternoon?

你保证今天下午就把传真发出去，行吗？

This afternoon's sunshine could nudge the temperature above freezing.

今天下午的阳光可使温度达到冰点以上。