plasma cloud

例句：

1. 1. The plasma cloud is a rare and fascinating phenomenon.
   等离子云是一种罕见而迷人的现象。
2. 2. The plasma cloud was observed by astronauts during their mission to Mars.
   等离子云被宇航员在前往火星的任务中观察到。
3. 3. The plasma cloud was studied for its potential applications in space technology.
   等离子云被研究，以探索其在太空技术中的可能应用。