关键是要听取打击一口气没有得到答复,一个更绝缘回声效果的时间越长,脆的说明以及!
The key is to listen to a blow in one breath with no response, an echo effect of the more insulation the longer the crisp note well!
关键是要听取打击一口气没有得到答复,一个更绝缘回声效果的时间越长,脆的说明以及!
The key is to listen to a blow in one breath with no response, an echo effect of the more insulation the longer the crisp note well!
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