单词 | sun |
释义 | sun ![]() n. 1. often Sun The star around which Earth and other planets orbit. It provides heat and light to Earth. It has a mean distance from Earth of about 150 million kilometers (93 million miles), a diameter of approximately 1,391,000 kilometers (864,000 miles), and a mass about 333,000 times that of Earth. 2. A star that is the center of a planetary system. 3. The radiant energy, especially heat and visible light, emitted by the sun; sunshine. 4. A sunlike object, representation, or design. v. sunned, sun·ning, suns v.tr. To expose to the sun's rays, as for warming, drying, or tanning. v.intr. Idioms: To expose oneself or itself to the sun. in the sun In the public eye. under the sun On the earth; in the world. [Middle English, from Old English sunne; see sāwel- in the Appendix of Indo-European roots.] |
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