Keystone species
01
关键种, 基石物种
a plant or animal that plays a very important role in keeping the balance of its environment, and if it disappears, many other living things can be affected
语法信息
有生性状态
动物
形态构成
复合词
可数
复数形式
keystone species
例子
Sea otters are a keystone species because they help control sea urchin numbers.
海獭是一种关键物种，因为它们有助于控制海胆的数量。
