cheerfulness
n. 高兴；快活
同义词
反义词
参考例子
1.Cheerfulness is the promoter of health.
心情愉快是健康的促进剂。
2.Cheerfulness is the basis of friendliness.
令人愉快是友谊的基石。
3.May everything beautiful and best be condensed into this card. I sincerely wish you happiness , cheerfulness and success.
原一切最美好的祝福都能有这张贺卡表达，真诚地祝愿你幸福，快乐，成功！
英文解释
n.
1.the quality of being cheerful and dispelling gloom
2.a feeling of spontaneous good spirits
网络释义
cheerfulness
快乐，高兴，愉快; 高兴; 甘心; 意气风发;
Cheerfulness is health
欢乐就是健康，忧郁就是病痛。;
cheerfulness jauntiness liveliness merriness sprightliness
快活;
assume an air of cheerfulness
假装高兴的样子;
cheerfulness and sense of humor
乐观和幽默感;