unexplainedKK [ˏʌnɪˋksplend] /ˌʌnɪˈkspleɪnd/形容詞1無法解釋的、原因不明的、不明的Scientists are still studying these unexplained lights in the night sky.科學家仍在研究夜空中這些無法解釋的光點。2未說明的、未交代的Her unexplained absence from the meeting annoyed the whole team.她未交代原因就缺席會議,讓整個團隊很不滿。