melodica
[məˈlɑ:dɪkə]
n.
口风琴（一种小型管乐器，类似口琴，但有钢琴一样的键盘）;
例句:
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The oleaginous procession of Repose features more extended tones from Laubrock, as Sorey brandishes a melodica.
来自BBC
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"Multi Track Jack, " as they call him, plays the glockenspiel, melodica and tambourine.
来自NPR