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/sfɪr/ · /sfɪə/
A perfectly round, ball-shaped object or shape, like a globe — in geometry, every point on its surface is exactly the same distance from the center. People also use 'sphere' to mean an area of activity, interest, or influence, like 'the sphere of politics' or 'that's outside my sphere of knowledge.'
球體；領域、範疇
複數 spheres
組成From Greek "sphaira," meaning a ball or globe.
同家族的字
- hemisphereshares the Greek root 'sphaira,' ball — a hemisphere is literally 'half a sphere'
- atmosphereshares the Greek root 'sphaira,' ball — referring to the sphere of air surrounding the Earth
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。
spherenoun/sfɪə/
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mathematicssciencesA surface in three dimensions consisting of all points equidistant from a center. .
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An object which appears to be bounded by a sphere; a round object, a ball.
- Of celestial bodies, first the sun, / A mighty sphere, he framed.
- So your orientation changes a little bit but it sinks in that the world is a sphere, and you're going around it, sometimes under it, sideways, or over it.
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archaicastronomynatural-sciencesThe celestial sphere: the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
- Though cold and darkness longer hang somewhere, / Yet Phoebus equally lights all the Sphere.
- Resistless rolls the illimitable sphere, / And one great circle forms the unmeasured year.
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historicalastronomyhuman-sciencesmysticismAny of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres).
- ſooner ſhall the Sun fall from his Spheare, Than Tamburlaine be ſlaine or ouercome.
- It is more simplicitie to teach our children[…][t]he knowledge of the starres, and the motion of the eighth spheare, before their owne.
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human-sciencesmysticismmythologyAn area of activity for a planet; or by extension, an area of influence for a god, hero etc.
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The region in which something or someone is active; one's province, domain.
- sphere of influence
- ...while his sweet and gentle niece would be a charming companion for Francesca; and he thought, with a glow of affection long unfelt, that Lucy Aylmer must inevitably make a friend whose future kindness might add much to her happiness. Both were at present placed out of their sphere: but the one would in all probability have it greatly in her power to cherish and aid the other.
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The natural, normal, or proper place (of something).
- in one's sphere
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geometrymathematicssciencesThe set of all points in three-dimensional Euclidean space (or n-dimensional space, in topology) that are a fixed distance from a fixed point .
另外 2 個記錄的用法
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datedhuman-scienceslogicmathematicsThe domain of reference of a proposition, subject, or predicate, or the totality of the particular subjects to which it applies.
- In point of fact, so often as we think a subject as partially included within the sphere of a predicate, eo ipso we think it as partially, that is, particularly, excluded therefrom.
- All categorical propositions necessarily imply the existence of their subjects in the appropriate sphere; in affirmative propositions this involves the existence of the predicate in the same sphere; but in negative propositions the predicate does not necessarily exist in that particular sphere, though it does in some sphere.
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cookingfoodlifestyleA food preparation comprising a flavorful liquid treated by spherification to produce spheres.
sphereverb/sfɪə/
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To place in a sphere, or among the spheres; to ensphere.
- The glorious planet Sol / In noble eminence enthroned and sphered / Amidst the other.
- Sphere all your lights around, above; Sleep, gentle heavens, before the prow; Sleep, gentle winds, as he sleeps now, My friend, the brother of my love.
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To make round or spherical; to perfect.
- sphered Whole
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。