Second, the historical prologue bridges the gap between generations.
第二点,这段历史旁白缩小了不同是代际之间的差距。
You're going to hear the violins play a running scale, If our beat is this, what note values are in the music of the violinists at this particular moment?
大家待会要听段小提琴演奏连续音阶,如果我们这样打拍子,在这个特定的时间点,这段音乐中小提琴手演奏的时值是什么
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