日冕

例句：

1. 1. The sun's corona is visible during a total solar eclipse.
   日全食期间，太阳的光环可以看见。
2. 2. During the solar eclipse, the moon casts a shadow over the Earth.
   在日食期间，月亮在地球上方投下影子。
3. 3. The coronal streamers are caused by the interaction between the Sun and the Earth's magnetic field.
   日冕丝带是由太阳和地球磁场相互作用产生的。