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Sunstroke is what happens to your body when you have been out in strong sun for too long: your temperature climbs, and you feel weak, and sick, with a bad headache, and you may stop sweating, become confused, or faint. In everyday English people use it for anything from 'I felt terrible after the beach' to a genuine emergency; doctors use the stricter term heatstroke, and treat it as something that can kill if the body is not cooled fast. So if someone says 'I think I've got a bit of sunstroke', they usually mean they feel rotten and need shade and water — but if a person is confused or unconscious, that is not a joke, and they need help immediately. Grammar point: it is uncountable, so you say 'he got sunstroke' or 'a touch of sunstroke', never 'a sunstroke'. Common phrases are get sunstroke, have sunstroke and die of sunstroke.
中暑（曬太陽曬太久引起的）
組成sun + stroke. Stroke here is the old sense of a sudden blow — the sun 'strikes' you. It is the same idea behind the medical word stroke for a sudden attack in the brain.
同家族的字
- heatstrokethe same kind of illness from heat generally, not only from sunshine; the word doctors prefer
- strokea sudden blow or sudden attack — the second half of the word
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。
sunstrokenoun/ˈsʌnˌstɹoʊk/
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medicinesciencesHeat stroke caused by an excessive exposure to the sun's rays.
- But, however this may be, the grounds upon which I base my belief that "chill" in the one case, and "heat" in the other, is the most common exciting cause of these maladies, respectively, are furnished by the fact that malarious fevers are found to prevail with a periodicity corresponding with that of the annual seasons of greatest change in the weather elements, namely, the spring and autumn, and moreover, with a periodicity corresponding, at least in the Punjab, for which province the statistics have been tabulated, with the triennial cycles of rainfall -- a peculiarity in which they coincide with cholera -- whilst sun-fever or sunstroke is found to prevail with a periodicity corresponding with the season of highest temperature.
- Idiopathic non-septic periencephalitis may be produced by profound grief, protracted anxiety, especially when accompanied by great overwork, partial starvation combined with the gnawing anxiety of deep poverty, and also, it is affirmed, by sunstroke.
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。