1.She sat down to the piano and rattled off a popular tune.
她在钢琴前坐下，轻快地弹奏了一支流行曲子。
2.While marching in place, the band played a popular tune.
乐队在原地踏步，并且奏出一首流行的旋律。
3.He walked into the room, whistling a popular tune.
他吹着流行的曲调，走进了房间？
4.We kiss in his room to a popular tune
我们在他的房间里和谐地亲吻