Sunspots

常見例句

• The darkest region of a sunspot.
  太陽黑子中的最黑暗的區(qū)域
• We observe three sunspot groups on the disc.
  在日麪上觀測到三個(gè)黑子群。
• Sunspots are photospheric phenomena.
  太陽黑子是光球上的現(xiàn)象。
• The grayish outer part of a sunspot.
  太陽黑子周圍較濃的淺灰區(qū)
• Sunspots increase and decrease in intensity in an11-year cycle.
  太陽黑子以十一年?duì)?wèi)一個(gè)周期增強(qiáng)和減弱
• This is an intriguing theory that droughts tie in with the sunspot.
  這是一個(gè)關(guān)於乾旱與太陽黑子活動(dòng)周期有關(guān)的令人感到有趣的理論。
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