"Sunspot" • Chinese-English Dictionary
| 黑子 | hēi zǐ | black piece (in Chinese chess) / black stone (in Go) / (astronomy) sunspot |   |
| 太阳黑子 | tài yáng hēi zǐ | sunspot | |
| 太阳活动 | tài yáng huó dòng | sunspot activity / solar variation | |
| 太阳黑子周 | tài yáng hēi zǐ zhōu | sunspot cycle | |
| 太阳理论 | tài yáng lǐ lùn | solar theory / sunspot theory | |
