问题描述: submarine had sunk 108 metres to the bottom of the sea.这里为什么用to. 1个回答 分类:英语 2014-12-13 问题解答: 我来补答 分析句子成分时尽量简化,这个句子可以这么看:Submarine had sunk (108 metres) to the bottom of the sea潜艇向海底下沉,下沉了108米.大致意思,希望能帮助你理解 展开全文阅读