predator的精选

predator的词根为pred例句Thebirdiscaughtonthehornsofadilemma.Shoulditattackthepredator，eventhoughitthenrisksitsownlife?Orshoulditgetoutwhilethegoingisgood?这只鸟进退维谷。是应该冒着生命危险攻击捕食者呢...