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. 在日面上觀測到三個(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. 太陽黑子以十一年為一個(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)于干旱與太陽黑子活動周期有關(guān)的令人感到有趣的理論。 返回 Sunspots