cystophore

例句：

1. 1. The cystophore is a rare plant that grows in the Arctic region.
   北极地区的稀有植物，称为藻类。
2. 2. The cystophore plays an important role in the ecosystem.
   藻类在生态系统中起着重要的作用。
3. 3. The cystophore absorbs carbon dioxide from the atmosphere and helps to regulate the pH levels ofthe ocean.
   藻类从大气中吸收二氧化碳，有助于调节海洋的酸碱度。