柯林斯詞典sunspot /?s?n?sp?t/ (sunspots) 1. N-COUNT Sunspots are dark cool patches that appear on the surface of the sun and last for about a week. 黑子; 日斑 返回 sunspot劍橋詞典a dark spot on the surface of the sun that appears for a few days or weeks and then disappears 太陽黑子 返回 sunspot