问题描述：
英语翻译
In the past,land scoured away from the coastline by the currents of the Mediterranean Sea used to be replaced by sediment brought down to the delta by the River Nile,but this is no longer happening.句中有三个by,哪个先翻译?
In the past,land scoured away from the coastline by the currents of the Mediterranean Sea used to be replaced by sediment brought down to the delta by the River Nile,but this is no longer happening.句中有三个by,哪个先翻译?
问题解答：
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