cheerfulness
US /ˈtʃɪr.fəl.nəs/
UK /ˈtʃɪr.fəl.nəs/

名词
1.
开朗, 快乐, 兴高采烈
the quality or state of being noticeably happy and optimistic
示例:
•
Her natural cheerfulness made everyone in the room feel better.
她天生的开朗让房间里的每个人都感觉好多了。
•
He maintained his cheerfulness despite the difficult circumstances.
尽管环境艰难,他仍保持着乐观。
在 Lingoland 学习这个单词