单词学习：underestimation Noun
underestimation
/ˌʌndərˌestɪˈmeɪʃn/
低估；轻视
The underestimation of the project's complexity led to significant delays, which Mr. Gu had warned against.
对项目复杂性的低估导致了严重的延误，顾老师曾对此提出过警告。
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