Sca
abbr. 美国科学俱乐部联合会（Science Clubs of America）
🗣️ 情景例句
Have you got any plans for celebrating your birthday?
你计划好怎样庆祝你的生日了吗？
I'm glad you come.
我很高兴，你能来。
They were glad of the examination being over.
他们为考试结束了而高兴。