sunspot
英
['sʌnspɒt]
美
['sʌnspɑːt]
-
Noun:
-
a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
-
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。
-
-
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌