英语词汇“nadir”是什么意思，“nadir”的读音、用法及例句翻译-烛光网

词汇	nadir
释义	na·dir AHD[nāʹdər, -dîr'] D.J.[ˈneɪdə, -ˌdɪə]K.K.[ˈnedɚ, -ˌdɪr]n.（名词） Astronomy A point on the celestial sphere directly below the observer, diametrically opposite the zenith.【天文学】天底：天球上，在观测者垂直向下的一点，与天顶完全相对 The lowest point:最低点：the nadir of their fortunes.他们最不景气的时候 Etymology语源 Middle English 中古英语 from Medieval Latin 源自中世纪拉丁语 from Arabic naÝīr (as-samt) [opposite (the zenith)] 源自阿拉伯语 naÝīr (as-samt) [相反的（天顶）]
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