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A situation where something is turned upside down, reversed, or put in the opposite order or position from normal. In grammar, an inversion is when the usual word order is flipped, like 'Never have I seen such a mess' instead of 'I have never seen such a mess.' In weather, a temperature inversion is when warm air sits on top of cold air near the ground, which can trap pollution in a city.
反轉／倒裝（文法）／逆溫（氣象）
原始詞典資料12 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。
inversionnoun/ɪnˈvɚ.ʒən/
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The action of inverting.
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The act of being in an inverted state; being upside down, inside out, or in a reverse sequence.
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entertainmentlifestylemusicThe reversal of an interval; the move of one pitch in an interval up or down an octave.
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entertainmentlifestylemusicThe position of a chord which has a note other than the root as its bass note.
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entertainmentlifestylemusicThe flipping of a melody or contrapuntal line so that high notes become low and vice versa; the reversal of a pitch contour.
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biologygeneticsmedicineA segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome.
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climatologymeteorologynatural-sciencesA situation where air temperature increases with altitude (the ground being colder than the surrounding air).
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A section of a roller coaster where passengers are temporarily turned upside down.
另外 4 個記錄的用法
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grammarhuman-scienceslinguisticsDeviation from standard word order, as for example by putting the predicate before the subject. It takes place in questions with auxiliary verbs; in normal, affirmative clauses beginning with a negative particle, for the purpose of emphasis; and in other rhetorical devices or unusual situations.
- Question formation involves the phenomenon commonly known as subject-auxiliary inversion, a change in word order in which the auxiliary moves in front of the subject.
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algebramathematicssciencesAn operation on a group, analogous to negation.
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obsoletehuman-sciencespsychologysciencesHomosexuality, particularly in early psychoanalysis.
- We can seldom, therefore, congratulate ourselves on the success of any "cure" of inversion.
- Equal relationships can only exist between equals. Inversion is the most positive identity possible in the situation as it is now.
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biochemistrybiologychemistryThe catalytic action of invertase.
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。