coronal cavity

例句：

1. 1. 圆月；2.
   指
2. 3.
   比喻
3. 4.
   比喻
4. 1. The full moon was shining brightly in the sky.
   满月在天空中明亮地照耀着。
5. 2. The eclipse of the sun is a natural phenomenon that occurs when the moon passes between the sun and Earth.
   日食是一种自然现象，当月亮穿过太阳和地球之间时发生。
6. 3. The crown jewels are the most valuable items in the British Crown Jewels collection.
   王冠珠宝是英国皇冠珠宝收藏中最珍贵的物品。