Sargassum aquifolium

例句：

1. 1. Sargassum aquifolium is a common seaweed found in the ocean.
   海香附子是一种常见的海洋藻类。
2. 2. The Sargassum aquifolium was used for medicinal purposes by ancient people.
   古代人用海香附子作为药用。
3. 3. The Sargassum aquifolium can be harvested from the ocean floor to produce food and fuel.
   可以从海底采集海香附子，用于生产食物和燃料。