我每天练习四个小时，我的钢琴老师每周来辅导我三次。
I practiced for four hours every day and my piano teacher came three times a week to help me.
我的伴侣三年前买了一架钢琴，他每天花很长时间练习弹钢琴。
My friend bought a piano three years ago, he spends a prolonged time practicing playing the piano every day.
我的伴侣三年前买了一架钢琴，他每天花很长时间练习弹钢琴。
My friend bought a piano three years ago, he spends a prolonged time practicing playing the piano every day.
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