adj.欢乐的，愉快的，明丽的

The children were blithesome after a long, rainy winter, enjoying the sunny spring days.
孩子们在漫长阴雨的冬天后显得非常愉快，享受着阳光明媚的春天。
Her blithesome demeanor brightened up the gloomy party.
她那欢快的神情给沉闷的聚会带来了生气。
He had a blithesome smile on his face as he received the good news.
当他收到好消息时，他的脸上洋溢着愉快的笑容。
The garden was filled with blithesome butterflies fluttering around the colorful flowers.
花园里满是快乐飞舞的蝴蝶，围绕着五彩斑斓的花朵。
After a successful project, the team celebrated their blithesome victory with a feast.
项目成功完成后，团队以盛宴庆祝他们愉快的胜利。
She felt a blithesome sense of relief knowing her family was safe.
知道家人安全，她感到一种轻松愉快的感觉。
The blithesome songbirds greeted the dawn with their melodious tunes.
快乐的小鸟以悦耳的歌声迎接黎明。
Their blithesome laughter echoed through the halls of the old mansion.
他们的欢笑声在老宅的走廊里回荡。
The child's blithesome energy infected everyone around her, making them feel happy too.
那孩子的愉快活力感染了周围的人，让他们也感到快乐。
In the countryside, the farmers welcomed the blithesome summer with open hearts.
在乡村，农民们满怀喜悦地欢迎明媚的夏天。