物种集体名词(词组)

wolves, gray wolves; canis lupus, great predator; treasured species; American wildlife; the only remaining entity, Mexican wolves

上下义词、指代

imperiled species; threatened and endangered species; an endangered subspecies; Gray wolf populations

商业化名词 (词组)

losses, livestock operation, impact

科学研究内容词组(主动/被动)

the brink of extinction, recovery

程序化/公式化词汇(词组)

predation