But because the way sound waves operate, we have these low sound waves taking a very long time to clear.
但鉴于声波的传播方式,低声波要过更长的时间才消失
耶鲁公开课 - 聆听音乐课程节选
Although there were other written materials being passed around during that time.
虽然在那段时间里,有其他文字资料在传播。
耶鲁公开课 - 新约课程节选
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