喜樂美語
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    Pellagra is an illness you get when your body does not get enough of one B vitamin — niacin, also called vitamin B3. It makes you very tired, and it hurts the skin and the nerves. Skin that sees the sun can become rough, dark, and sore; people may also have a bad stomach, and in serious cases the mind is affected. It used to appear where poor diets depended too heavily on prepared in a way that left little niacin. You will meet it in history, medicine, and nutrition, not in everyday Taiwan life — it is rare where food is mixed and that vitamin is not missing. The name points at the skin: a Latin word for skin plus a Greek word for a seizure or attack, a “skin-attack.”

    糙皮病（缺乏維生素B3／菸鹼酸；中國大陸常稱煙酸）

    例句逐字對照、搭配詞、易混淆字

    這一義的完整解析還沒打開。訂閱後可以看到例句怎麼拆、常跟哪些字一起出現， 以及容易跟它搞混的字。

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組成From Italian pellagra: Latin pellis, “skin,” plus Greek ágra, “seizure, attack.”

同家族的字

  • peltfrom Latin pellis, skin; a pelt is an animal skin
  • podagrashares Greek ágra, a seizure or attack; podagra is gout in the foot

原始詞典資料1 筆記錄

以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。

pellagranoun/pɪˈlaɡɹə/

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    medicinepathologysciencesA disease characterised by skin lesions and mental confusion, primarily caused by a niacin deficiency.

    • In 1755 the French physician Gaspar Casal (1680–1759) published an account of pellagra, then a new disease in Spain.
    • Mixing the alkali into the recipe in the right way chemically releases the otherwise unavailable niacin in the corn, which stops pellagra in its tracks, and allowed corn-based agricultural populations to grow and spread.

資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。