半深湖-深湖的滞水条件是水下扇得以保存的前提。
The precondition that preserves subaqueous fan is the backwater environment of deeper or deep lacus.
在苏格兰北部有一个又长又深的湖，叫做尼斯湖。
In northern Scotland there is a long, deep lake called Loch Ness.
当金色的夏天变成深金色的秋天时，他去了科莫湖。
As the golden summer changed into the deep golden autumn he went to the Lake of Como.
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