flute keys
长笛键
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The more fingers on the keys, the more stable the flute will be against your lips.
按键上的手指越多，笛子也会更平稳的抵住你的嘴唇。
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This sonata, however, is in A Minor, creating all sorts of problems for a player using a fourth flute, which is more suited for flat keys.
NPR: Live in Studio 4A: Parnassus Avenue Baroque
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