sunspot
🇬🇧/ˈsʌnspɒt/ 🇺🇸/ˈsʌnspɑːt/📚 20020 3GRESunspots are dark cool patches that appear on the surface of the sun and last for about a week. 黑子; 日斑
noun [物质名词]太阳黑子；雀斑
When our star drops out of its latest sunspot activity cycle, the sun is most likely going into hibernation, scientists announced today.
科学家今天宣布，当我们的恒星脱离最近的太阳黑子活动周期时，太阳最有可能进入冬眠。
单词造句:
- 网友用“Sunspot”造句精选
- Anyway, Wolf went though all records from various observatories in Europe and put together a history of sunspot observations going back about 100 years. 不论如何，沃尔夫查阅了欧洲各个天文台的所有记录，并把大约100年前的太阳黑子观测历史整理在一起。
- Later this discovery of the sunspot activity was made by one of the most patient observers in the history of science, a German chemist, Charles Schwabe. 后来，科学史上最耐心的观察者之一，德国化学家 Charles Schwabe 发现了太阳黑子活动。