Donati comet

例句：

1. 1. The Donati comet was a major event in the sky last night.
   昨晚天空中出现了一颗主要的彗星。
2. 2. This year's Donati comet has been attracting more attention than ever before.
   今年的多纳提彗星比以往任何时候都更引人注目。
3. 3. Scientists are still trying to understand the origin and behavior of the Donati comet.
   科学家们仍在努力理解多纳提彗星的起源和行为。