adj.快乐的,高兴的,令人开心的,使人喜悦的,快意,融融
She was joyful of her good result of the scientific experiments.
她为自己的科学实验取得好成果而高兴.
A wedding is a joyful celebration of love.
婚礼就是快乐的爱情庆典。
The meeting with the old comrades - in - arms is a joyful one.
与老 战友 的那次聚会是一次欢乐的聚会.