sunspot的翻译，读音
英/ ˈsʌnspɒt /
美/ ˈsʌnspɑːt /
释义：
n.太阳黑子；雀斑
词态
复数sunspots同根词
suntanned adj. 给太阳晒黑的 v. 晒成古铜色皮肤（suntan的过去分词）sunray n. 紫外线；太阳光线
例句
This is known as the sunspot cycle. 这是被称为太阳黑子周期。
Specifically, it controls the sunspot cycle. 具体地说，它控制着太阳黑子周期。
This is an 11-year fluctuation in sunspot numbers. 这是一个11岁的波动太阳黑子数。
sunspot activity since 1900 are constantly increasing. 自1900年以来，太阳黑子活动不断增加。
These faculae frequently are the forerunners of sunspot formation . 这些光斑常常是形成太阳黑子的先兆。