吃透英语课本，提升在校竞争力
adj. 充满快乐的；使人高兴的
副词：joyously
Our music is a joyous celebration of life.
我们的音乐是对生活的欢乐颂扬。
The children were joyous during the festival.
孩子们在节日期间非常快乐。
adj.令人高兴的；充满欢乐的（等于joyful）
glad
joyful
