【詞語】凸凹
【拼音】tū āo【解釋】1.猶凹凸。高低不平。轉自http://www.kuaic.com/zidian6
凸凹漢字解釋:凸 凹
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簡體:https://www.kuaic.com/zidian1/MTA1MTUz.htm