我们在潜水时看到一群色彩斑斓的鹦嘴鱼正在啃食珊瑚。

While diving, we saw a school of brightly colored ___parrotfish munching on coral.

鹦嘴鱼通过啃食珊瑚礁帮助形成海滩上的细沙。

___Parrotfish play a key role in creating beach sand by grazing on coral reefs.