n.食人魚，食人鯧，水虎魚（能掠食活動(dòng)物的南美淡水小魚）
Piranha fish live in the lakes, and electric eels. 湖里有水虎魚，還有電鰻。
Locals in the Amazon region often use piranha teeth to make tools and weapons. 亞馬遜當(dāng)?shù)厝私?jīng)常用食人魚的牙齒來做工具和武器。
