Joyfull
a. 高兴的,快乐
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
Whom will you have lunch with?
你将和谁吃饭？
I don't know.
我不知道。