If you are ecstatic, you feel very happy and full of excitement.
His wife gave birth to their first child, and he was ecstatic about it.
他的妻子生下了他们的第一个孩子,他对此欣喜若狂。
You can use ecstatic to describe reactions that are very enthusiastic and excited. For example, if someone receives an ecstatic reception or an ecstatic welcome, they are greeted with great enthusiasm and excitement.
rapturous
They gave an ecstatic reception to the speech.
他们对演讲表示了热烈的欢迎。