1. Coral reefs are underwater structures made from calcium carbonate secreted by coral and mangroves grow in saline coastal habitats in the tropics and subtropics.
2. secreted
2. Its gorgeous flower and the smell secreted from glands on the surface of the leaf attracts insects which become stuck on the leaf.
3. secreted的近义词
3. In a pool safely secreted under a glass staircase, goldfish symbolizing good luck swim fearlessly.
4. secreted
4. The insects cannot escape and eventually are digested by digestive fluid secreted by the leaf.