Before he began to play, Harry tuned up his banjo.
开始演奏
，
先行调好他的班卓琴。
Before he began to play, Harry tuned up his banjo.
开始演奏，先行调好他的班卓琴。
The orchestra tuned their instruments.
乐队调好了他们的乐器。
She tuned up her piano.
她调好她钢琴的
。
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