happy是单音节词吗

不是，[ˈhæpi]，是双音节词。

adj. 幸福的高兴的巧妙的The news made him very happy.

这则消息使他非常高兴。

I wished her a happy birthday.

我祝她生日快乐。

You don't look very happy today.

你今天好像不太高兴。

Happy birthday， sweetheart.

生日快乐，亲爱的。

The Happy Bunny club was heaving.

快乐兔子夜总会里挤满了人。