piano lesson

同根派生

Michael, it's Tuesday-- you're supposed to be at your piano lesson now!
迈可，今天是星期二－－你现在应该在上钢琴课。
I've got a piano lesson later today.
今天晚些时候我有一堂钢琴课。
I'm having a piano lesson the day after tomorrow.
后天我要上钢琴课。
He can't come here. He has to have a piano lesson.
他不能来这儿。他必须上钢琴课。
Sorry. I can't. I have a piano lesson.
对不起,我不能。我要上钢琴课。