A soft varnish and an insufficient undercoating have a tendency to deaden heavily the sound of a violin.
柔和清漆和不足防底层清漆严重减弱小提琴声音.
A soft varnish and an insufficient undercoating have a tendency to deaden heavily the sound of a violin.
柔和清漆和不足防底层清漆严重减弱小提琴声音.
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