单词学习：unintelligible 形容词
unintelligible
/ˌʌnɪnˈtɛlɪdʒəb(ə)l/
难以理解的，晦涩难懂的
The professor's handwriting was so messy that his notes were completely unintelligible to 顾老师.
那位教授的笔迹太潦草了，他的笔记对顾老师来说完全无法辨认。
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