| 释义 |
Amazon dolphin Amazon dolphin n.（名词）A South American dolphin,Inia geoffrensis, that inhabits the Amazon and Orinoco rivers and fluctuates in color from bright pink to gray, depending on age and environmental factors such as sunlight, water temperature, and stress. Also called boto 亚马孙河豚：产于亚马孙河和奥里诺科河的南美洲海豚（亚马孙河豚） ，颜色从亮粉色到灰色不一而同，这种颜色的变化取决于海豚的年龄和环境因素，如阳光、水温和水压 也作 boto |