I got a real education in conditioning one day as I watched a piano tuner working on our new baby grand.
一天，当我看到一位钢琴调音师在为我们新的大钢琴调音时，我上了一堂真正的调整课。
Intonation of piano is vital importance. It's fairly necessary for a piano tuner to master a certain physical knowledge.
钢琴的音准至关重要，作为调律师掌握一定的物理知识是非常必要的。
When a fellow piano tuner was ill, I took over his assignment of tuning a piano in a girls' boardinghouse.
一个钢琴调音师病了，所以我接管了他的工作去一所女子公寓给钢琴调音。
When a fellow piano tuner was ill, I took over his assignment of tuning a piano in a girls' boardinghouse.
一个钢琴调音师病了，所以我接管了他的工作去一所女子公寓给钢琴调音。
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