1·There are some 2, 000 species of seastars living in the world's oceans.
世界各地的海洋中有约2000种海星。
2·There are some 2, 000 species of seastars living in the world’s oceans, and many wear striking colorsthat provide camouflage or warn off predators.
世界各地的海洋中有约2000种海星。 其中许多都披着眩目的色彩，为自己提供保护或警示捕食者。