sunspot
n. 太阳的黑点；黑子
近义词：resort，holidayresort，beachresort，vacationland，macula，
英英释义
Noun
- a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
例句
用作名词(n.)
- We observe three sunspot groups on the disc.在日面上观测到三个黑子群。
- This is an intriguing theory that droughts tie in with the sunspot.这是一个关于干旱与太阳黑子活动周期有关的令人感到有趣的理论。