名词
中文翻译：Unknown
同义词：
['piano', 'piano keyboard', 'piano keyboard player', 'piano keystroke']
例句：
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1. The pianist played a beautiful piece on the stomochord.
那位钢琴家在钢琴上演奏了一首美妙的曲子。
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2. The piano teacher taught the students to play the stomochord.
钢琴老师教学生们弹奏钢琴键。
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3. The student practiced his stomochord skills every day after school.
这位学生放学后每天练习他的钢琴键盘技巧。