afternoon有多少个音节

有3个音节:

[ 'ɑ:ftə'nu:n ]，af-ter-noon

n. 午后，下午

Afternoon， madam. Please come in.

下午好，女士，里面请。

I'm used to taking a nap in the afternoon.

我习惯在下午小睡一会儿。

What are you doing this afternoon?

你今天下午有什么安排

I was reading some books in the afternoon.

我下午在看书。

We charge an extra fee for the afternoonclasses.

我们下午的课程要额外收费的。