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A continuum is a scale of related things where each one is only a little different from the next, so you cannot easily cut it into neat boxes. Colour is a continuum: red slides into orange, orange into yellow. Skill can be a continuum too — from just starting to very good, with many steps in between. People use the word in school, science, and careful talk when they want to say “it is not either/or; it is a range”. The plural is continua or continuums; both are used. Though actually, in everyday English many people just say a scale or a range and never use this word at all.
連續體（指程度上慢慢變化、很難切成兩塊的那一條線）
組成Borrowed from Latin continuum, the neuter form of continuus, from contineō (“contain, enclose”).
同家族的字
- continuousthe everyday adjective from the same Latin word
- continuethe verb from the same family
- containfrom the same Latin verb contineō, “to hold together”
原始詞典資料4 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。
continuumnoun/kənˈtɪnjuəm/
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A continuous series or whole, no part of which is noticeably different from its adjacent parts, although the ends or extremes of it are very different from each other.
- Near-synonym: spectrum
- So, the white line implies Blacklessness and the black background implies Whitelessness – that is, once the white line, a continuum, has emerged from blackness, also a continuum, and the two continua engage in an “inter-penetrative” (Buddhist term) process.
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A continuous extent.
- A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place.
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mathematicssciencesThe nondenumerable set of real numbers; more generally, any compact connected metric space.
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entertainmentlifestylemusicA touch-sensitive strip, similar to an electronic standard musical keyboard, except that the note steps are ¹⁄₁₀₀ of a semitone, and so are not separately marked.
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。