sunspot
🇺🇸
/ˈsʌnspɑːt/
🇬🇧
/ˈsʌnspɒt/
noun
R
A sunspot is a temporary dark area on the surface of the sun, caused by magnetic activity.
Scientists study sunspots to better understand solar activity and its effects on Earth.
科学家研究太阳黑子，以更好地理解太阳活动及其对地球的影响。
translation
太阳黑子
词形变化
Plural
sunspots