Although much of the world was not able to see it, the solar eclipse that passed over the Earth on Friday was what astronomers call a hybrid eclipse that only occurs every 18 years.
Although much of the world was not able to see it, the solar eclipse that passed over the Earth on Friday was what astronomers call a hybrid eclipse that only occurs every 18 years.
（尽管世界上大部分人无法看到，但周五绕经地球的日蚀即是天文学家所谓18年才出现一次的混合日蚀。）