幸福地

• happily
• blissfully
• blessedly

例句

1. 孩子们在幸福地微笑。
   The children were smiling happily.
2. 如果我有眼睛，我会多么幸福地从事如此迷人的研究！
   If I had eyes, how happily would I embark upon so fascinating a study!
3. 我经常看到他们幸福地挽臂散步。
   I often see them strolling happily arm in arm.