Before he began to play, Harry tuned up his banjo.
开始演奏前，哈利先行调好他的班卓
。
Before he began to play, Harry tuned up his banjo.
开始演奏前，哈利先行调好他的班卓。
The orchestra tuned their instruments.
乐队调好了他们的乐器。
She tuned up her piano.
调好
的
。
声
：
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