sphere

C1 CET-4 Oxf 5000 大学 FREQ #11379 ★★☆☆☆

n. 球, 球面, 球体, 天体, 地球仪, 范围 vt. 包围, 使成球体, 放入球内

发音

UK /sfɪə(ɹ)/
US /sfɪɚ/

词形变化

spheres 复数 spheres sphered spheres 三单 sphering 现在分词 sphered 过去式 sphered 过去分词

别名

sphaere sphære sphear spheare

教材释义与例句

名词

范围；球体

动词

包围；放入球内；使…成球形

释义与例句

n. C1 Oxf 5000
  1. 1.

    A surface in three dimensions consisting of all points equidistant from a center. .

    数学
  2. 2.

    An object which appears to be bounded by a sphere; a round object, a ball.

  3. 3.

    The celestial sphere: the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.

    古体 天文
  4. 4.

    Any 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).

    历史 天文 宗教 神话 哲学
  5. 5.

    An area of activity for a planet; or by extension, an area of influence for a god, hero etc.

    宗教 神话 哲学
  6. 6.

    The region in which something or someone is active; one's province, domain.

    范围

    领域

    比喻

    sphere of influence

  7. 7.

    The natural, normal, or proper place (of something).

    in one's sphere

  8. 8.

    The set of all points in three-dimensional Euclidean space (or n-dimensional space, in topology) that are a fixed distance from a fixed point .

    球面

    数学
  9. 9.

    The domain of reference of a proposition, subject, or predicate, or the totality of the particular subjects to which it applies.

    过时 数学 哲学
v.
  1. 1.

    To place in a sphere, or among the spheres; to ensphere.

    及物
  2. 2.

    To make round or spherical; to perfect.

    及物

词汇关系

名词

同义词 10

area field heavens sector orbit arena domain firmament celestial sphere empyrean

上位词 6

surface environment aspect artifact artefact facet

下位词 10

front drop land ball department responsibility kingdom lap pearl globe

部分词 7

zodiac apex zenith nadir solar apex Sr steradian

相关短语

sphere of influence [法] 势力范围, 影响范围 sphere of knowledge sphere packing sphere packings public sphere pedagogy oblique sphere celestial sphere n. 天球（一个想像假设的无限大球体）; 天球仪 Dyson sphere armillary sphere n. 浑天仪; 璇玑 homology sphere sublunary sphere exotic sphere Celestial Sphere unit sphere Riemann sphere

词源

Etymology tree Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere From Middle English spere, from Old French sphere, from Late Latin sphēra, earlier Latin sphaera (“ball, globe, celestial sphere”), from Ancient Greek σφαῖρα (sphaîra, “ball, globe”), of unknown origin. Not related to superficially similar Persian سپهر (sepehr, “sky”) .

来源：wiktionary