Read Edit View history 太阳黑子 tàiyánghēizǐ sunspot Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 太阳黑子/ 太陽黑子 tàiyánghēizǐ sunspot 天文学家正在观察太阳黑子的活动。 Edit Delete References Add reference No references for this word.