penumbral編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看penumbralpenumbral — 形容詞形容詞1. relating to the partly shaded outer region of a shadow1.形容詞釋義半影的relating to the partly shaded outer region of a shadow例句The moon passed through the penumbral shadow of the Earth.