The average speech segment - a measure of the time an individual spoke before inviting others to take over - fell from 11.2 seconds to 9.2 seconds.
平均说话时间(邀请别人说话前的时间测量)由11.2秒下降到9.2秒。
Over the past eight years, some 30 groups of 46 young offenders have been sent to the hospital to help take care of patients - mainly elderly men - for an average period of three months.
在过去的8年里，大约有30组46个少年犯被送到这个医院，帮忙照顾年老的病人，平均每人呆上3个月左右。
Over the past eight years, some 30 groups of 46 young offenders have been sent to the hospital to help take care of patients - mainly elderly men - for an average period of three months.
在过去的8年里，大约有30组46个少年犯被送到这个医院，帮忙照顾年老的病人，平均每人呆上3个月左右。
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