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"Wehaveyet..."等于"wehavenotyet..."Wehaveyettoshapeaclearideaaboutourgalaxy'sstructure,"从上下文看应该是表示否定.yet有类似not的意思吗?我觉得应该是wehavenotyet...

题目详情
"We have yet ..." 等于"we have not yet ...
"We have yet to shape a clear idea about our galaxy's structure,"
从上下文看应该是表示否定.yet有类似not的意思吗?
我觉得应该是 we have not yet ...
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答案和解析
have yet to do=have not yet+过去分词
eg.I have yet to hand in my homework 我还没有交作业呢.