n.(尤指在日食或月食期间的)日冕，日华，月华

原形：corona复数：coronas

The corona virus pandemic has affected millions of people worldwide.
全球范围内，冠状病毒大流行已影响数百万人。
Scientists are working tirelessly to develop a vaccine against the SARS-CoV-2 corona virus.
科学家们正在不知疲倦地研发针对SARS-CoV-2冠状病毒的疫苗。
Wearing masks and social distancing are effective measures to prevent the spread of the corona virus.
戴口罩和保持社交距离是防止冠状病毒传播的有效措施。
Many countries have implemented strict border controls due to the corona crisis.
许多国家因冠状病毒危机而实施了严格的边境管控。
In response to the corona outbreak, schools and universities shifted to online learning.
为应对冠状病毒疫情爆发，学校和大学转向在线教学模式。
The corona pandemic has caused a significant economic downturn in various sectors.
冠状病毒大流行导致各行各业出现严重的经济衰退。
Medical personnel on the front lines have been hailed as heroes during the corona pandemic.
在冠状病毒大流行期间，一线医护人员被誉为英雄。
The World Health Organization (WHO) provides daily updates on the global corona situation.
世界卫生组织（WHO）每天都对全球冠状病毒形势进行更新。
Despite the challenges, some countries have managed to control their corona outbreaks effectively.
尽管面临挑战，一些国家还是有效地控制了本国的冠状病毒疫情。
Research suggests that herd immunity may not be achievable without a corona vaccine.
研究表明，在没有冠状病毒疫苗的情况下，可能无法实现群体免疫。