corona
/kəˈrəʊnə/ (bre, ipa) · [kɚˈonə] /kəˈrəʊnə/ (ame, ipa) · [kɚˈonə] /kə-ˈrō-nə/ (ame, mw)
corona — noun
- coronasingular
- coronasplural
1. 冠狀病毒引起的感染或疾病；COVID-19的簡稱
冠狀病毒引起的感染或疾病；COVID-19的簡稱
The Watanabe family caught corona that winter and stayed home for two weeks.
informal: caught corona
Many schools closed their doors when the corona outbreak spread across the city.
Sofia wore a mask on the train to lower her risk of getting corona.
The government launched a vaccination campaign to protect people against severe corona symptoms.
After recovering from corona, Wei felt tired for several weeks before slowly regaining strength.
- COVID-19
the formal name for the disease caused by SARS-CoV-2
- coronavirus
slightly more formal than just 'corona'
文法句型
corona
corona virus
the corona pandemic
用法筆記
In informal spoken English, 'corona' is widely used as a short form of 'coronavirus' or 'COVID-19'. In formal writing, 'COVID-19' or 'coronavirus disease' is preferred. This sense emerged rapidly in 2020 and is now the most frequent use of the word in everyday conversation.
常見錯誤
2. 一層微弱的光圈，在夜間圍繞著月亮，或在日全食期間出現在太陽周圍的光環
一層微弱的光圈，在夜間圍繞著月亮，或在日全食期間出現在太陽周圍的光環
The moon had a faint corona around it that night, making the sky look magical.
the corona around [celestial body]
Amara saw a white glow circling the sun during the eclipse through her special glasses.
corona visible during solar eclipse
A thin silver corona appeared around Venus when Mei looked through the telescope.
The astronomer pointed out the corona surrounding the moon on the cold winter evening.
- halo
more common everyday word for a circle of light around the moon or sun
- ring of light
descriptive phrase, less technical than 'corona'
文法句型
the corona
a corona
用法筆記
In everyday conversation, most people use 'halo' or 'ring of light' instead of 'corona' for the moon. 'Corona' is the technical term, more common in astronomy.
常見錯誤
3. 太陽或其他恆星最外層的大氣層，溫度極高，只在日全食時可用肉眼看到
太陽或其他恆星最外層的大氣層，溫度極高，只在日全食時可用肉眼看到
The Sun's corona reaches temperatures of over one million degrees Celsius.
the Sun's corona + temperature fact
Scientists study the corona because it is much hotter than the Sun's surface.
During the total eclipse the corona appeared as a white halo stretching from the Sun.
A satellite telescope captured images of the corona that helped predict solar storms.
- outer atmosphere
descriptive equivalent, less precise
文法句型
the corona
the Sun's corona
用法筆記
This sense is used almost exclusively in astronomy and astrophysics. It is always singular and usually preceded by 'the'.
常見錯誤
4. 身體部位（如牙齒或頭骨）的頂端圓形部分
身體部位（如牙齒或頭骨）的頂端圓形部分
The dentist examined the corona of the molar before deciding whether to fit a crown.
corona of the tooth / dental context
A break in the corona of the skull can be dangerous and needs immediate treatment.
Dr. Okonkwo said the corona of a tooth is the part above the gum.
The dental X-ray showed a small cavity near the corona of the wisdom tooth.
- crown
the everyday word, much more common in patient-facing medical contexts
文法句型
the corona of [body part]
用法筆記
This is a technical anatomical term. In dentistry, 'corona' refers to the crown of the tooth (the visible part above the gum). 'Corona' is much less common than the everyday word 'crown' in medical contexts; patients are more likely to hear 'crown' from their dentist.
常見錯誤
5. 某些花卉（如水仙、黃水仙）花冠內側的喇叭形或杯形附屬結構
某些花卉（如水仙、黃水仙）花冠內側的喇叭形或杯形附屬結構
The bright yellow corona of the daffodil stood out against the green garden in spring.
corona of [flower]: daffodil
Botany students studied the corona of the narcissus to see how it attracts bees.
The white petals and orange corona of the flower made it a park favourite.
In some flowers the corona produces a sweet smell that draws insects from far away.
文法句型
the corona of [flower name]
用法筆記
This is a specialist botanical term. Most gardeners and florists simply say 'trumpet', 'cup', or 'crown' instead of 'corona'. The term is primarily used in plant identification guides and botany textbooks.