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单词 sun
释义

WordReference Random House Learner's Dictionary of American English © 2024
sun /sʌn/USA pronunciation   n., v., sunned, sun•ning. 
n. 
  1. Astronomy the star that is the central body of the solar system:[often: Sun* proper noun;usually: the + ~]The mean distance from the earth to the sun is about 93 million miles.
  2. Astronomy this star with reference to its position in the sky, the temperature it produces, etc.:[countable* usually singular;usually: the + ~]The sun rose in the pink sky.
  3. the heat and light from the sun;
    sunshine: [countable; usually singular;
    usually: the + ~]
    to be exposed to the sun.[uncountable]You'd better get in the shade; you'll get too much sun and have a bad sunburn tonight.
  4. Astronomy a heavenly body that has its own light and heat source;
    a star:[countable]Many of the stars could be suns of their own solar systems.

v. 
  1. to expose (oneself) or be exposed to the sun's rays: [+ object]sunning themselves in the park.[no object]They were outside sunning for hours.
Idioms
  1. Idioms under the sun, on earth;
    anywhere:There's nothing like this under the sun.


Sun.,  an abbreviation of:
  1. Sunday.

WordReference Random House Unabridged Dictionary of American English © 2024
sun (sun),USA pronunciation  n., v., sunned, sun•ning. 

    n. 
    1. Astronomy(often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93 million miles (150 million km), its diameter about 864,000 miles (1.4 million km), and its mass about 330,000 times that of the earth;
      its period of surface rotation is about 26 days at its equator but longer at higher latitudes.
    2. Astronomythe sun considered with reference to its position in the sky, its visibility, the season of the year, the time at which or the place where it is seen, etc.
    3. Astronomya self-luminous heavenly body;
      star.
    4. sunshine;
      the heat and light from the sun:to be exposed to the sun.
    5. a figure or representation of the sun, as a heraldic bearing usually surrounded with rays and marked with the features of a human face.
    6. something likened to the sun in brightness, splendor, etc.
    7. [Chiefly Literary.]
      • clime;
        climate.
      • glory;
        splendor.
    8. sunrise or sunset:They traveled hard from sun to sun.
    9. [Archaic.]
      • a day.
      • a year.
    10. Nautical, Naval Terms against the sun, counterclockwise.
    11. place in the sun, a favorable or advantageous position;
      prominence;
      recognition:The new generation of writers has achieved a place in the sun.
    12. under the sun, on earth;
      anywhere:the most beautiful city under the sun.
    13. Nautical, Naval Terms with the sun, clockwise.

    v.t. 
    1. to expose to the sun's rays.
    2. to warm, dry, etc., in the sunshine.
    3. to put, bring, make, etc., by exposure to the sun.

    v.i. 
    1. to be exposed to the rays of the sun:to sun in the yard.
    • bef. 900; Middle English sun, sonne, Old English sunne; cognate with German Sonne, Old Norse sunna, Gothic sunno; akin to Old Norse sōl, Gothic sauil, Latin sōl (see solar), Greek hé̄lios (see helio-), Welsh haul, Lithuanian saũlė, Polish słońce
    sunlike′, adj. 

    Sun., 
    1. Sunday.
    Also, Sund. 
    Collins Concise English Dictionary © HarperCollins Publishers::
    sun /sʌn/ n
    1. the star at the centre of our solar system. It is a gaseous body having a highly compressed core, in which energy is generated by thermonuclear reactions (at about 15 million kelvins), surrounded by less dense radiative and convective zones serving to transport the energy to the surface (the photosphere). The atmospheric layers (the chromosphere and corona) are normally invisible except during a total eclipse. Mass and diameter: 333 000 and 109 times that of earth respectively; mean distance from earth: 149.6 million km (1 astronomical unit)
      Related adjective(s): solar
    2. any star around which a planetary system revolves
    3. the sun as it appears at a particular time or place: the winter sun
    4. the radiant energy, esp heat and light, received from the sun; sunshine
    5. a person or thing considered as a source of radiant warmth, glory, etc
    6. a pictorial representation of the sun, often depicted with a human face
    7. poetic a year or a day
    8. poetic a climate
    9. archaic sunrise or sunset (esp in the phrase from sun to sun)
    10. catch the sunto become slightly sunburnt
    11. place in the suna prominent or favourable position
    12. shoot the sun, take the sunto measure the altitude of the sun in order to determine latitude
    13. touch of the sunslight sunstroke
    14. under the sun, beneath the sunon earth; at all: nobody under the sun eats more than you do
    vb (suns, sunning, sunned)
    1. (transitive) to expose to the sunshine in order to warm, tan, etc
    Etymology: Old English sunne; related to Old High German sunna, Old Frisian senne, Gothic sunno
    Collins Concise English Dictionary © HarperCollins Publishers::
    Sun. abbreviation for
    1. Sunday
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