Only the finest leaded crystal is dainty and resonant enough to break at volumes that some people can produce without amplification—upward of 100 decibels.

只有适合且可以引起共振的最精细的铅晶质，可以在有些人的不增加音高的声音作用下破裂——声高在100分贝以上。

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Today, we have radio, TV, and amplification, and the era prefers the more resonant.

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