妹妹很激动英语怎么说

妹妹很激动英文可以表达为 "My sister is very excited."

来源：这是一个常见的英语表达，用来描述某人感到高兴、兴奋或激动的情况。

英文例句及其中文翻译：

My sister is so excited for her trip to Europe. 我妹妹对去欧洲的旅行非常激动。
I could tell that my sister was excited to meet her favorite singer. 我能看出我妹妹非常激动地去见她最喜欢的歌手。
My sister was jumping up and down with excitement when she found out she won the lottery. 当我妹妹发现自己中了彩票时，她非常激动地跳来跳去。