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In the barn, I found a drum, which used to be part of an old tape-recorder. It's like a guitar, but it has four strings.
在谷仓里，我发现了一面鼓。它之前是旧收音机上的部件，像一把吉他，但只有四根弦。
youdao
GigBaby! Four track recorder, metronome, drum machine.
四轨录音机，节拍器，鼓机。
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