predator基本解释
n,[动]捕食者；食肉动物；掠夺者,同近
With no natural predators on the island, the herd increased rapidly..由于岛上没有天然食肉动物，牧群的数量迅速增加。
掠夺者,食肉动物英释中释nan animal that kills and eats other animals
