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the corona
天文学中常特指太阳的日冕。
The corona is the outermost part of the sun's atmosphere.
日冕是太阳大气的最外层。
日冕
corone — plural of corona
先理解核心含义，再看它在真实句子里的用法。
日冕
the outermost part of the sun's atmosphere, seen as a white halo during a total solar eclipse
The corona is the outermost part of the sun's atmosphere.
日冕是太阳大气的最外层。
大型圆形吊灯,顶部边缘有尖刺以放置蜡烛或灯,通常悬挂在教堂屋顶
A large, round, pendent chandelier, with spikes around its upper rim to hold candles or lamps, usually hung from the roof of a church.
一系列相互连接的十四行诗,前一首的最后一个词是下一首的第一个词
A series of sonnets linked together such that the last word of each is the first word of the next.
一种长形直边、末端钝圆的雪茄
A long, straight-sided cigar with a blunt, rounded end.
由墨西哥Grupo Modelo酿造的淡色啤酒,通常在瓶颈处放一片青柠或柠檬
A pale lager beer produced by Mexican brewery Grupo Modelo, commonly served with a wedge of lime or lemon in the neck of the bottle.
During a total solar eclipse, the corona appears as a faint white halo around the sun.
在日全食期间，日冕会呈现为太阳周围一圈暗淡的白色光晕。
Scientists use special instruments to observe the corona and study how it affects space weather.
科学家使用特殊仪器观测日冕，研究它如何影响太空天气。
Many eclipse chasers plan their trips to see the corona with their own eyes.
许多日食爱好者会计划旅行，亲眼目睹日冕。
天文学中常特指太阳的日冕。
The corona is the outermost part of the sun's atmosphere.
日冕是太阳大气的最外层。
The corona of the sun becomes visible during a total solar eclipse.
在日全食期间，太阳的日冕变得可见。
也可指电晕放电的辉光。
A bright corona appeared around the moon during the annular eclipse.
环食期间，月亮周围出现了一个明亮的日冕。
Not this
The sun's corona are visible during a total eclipse.
Use this
The sun's corona is visible during a total eclipse.
corona 是单数名词，复数形式为 coronas，但在此处指日冕这一整体现象，应使用单数动词 is。学习者可能受中文无单复数变化影响，误将 corona 视为不可数名词而用复数动词。
Not this
The king wore a golden corona on his head.
Use this
The king wore a golden crown on his head.
corona 指日冕、冠状物（如花冠、电晕），不指国王的王冠。王冠应使用 crown。学习者因 corona 与 crown 外形相似且中文释义“冠”重叠而混淆。
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.