英语词汇“keystone species”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	keystone species
释义	keystone species noun (plural same) A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.Well, you remove a keystone species and the entire ecosystem can collapse.... A keystone species in several ecosystems, the grizzly was listed in 1975 as threatened in the lower 48 states. Meanwhile the keystone species of the entire ecosystem - the humble capelin - has again become the target of a sizeable fishery.
随便看	perfin perflation perflew perfluent perfluorinated perfluorocarbon perfluorochemical perfoliate perforable perforant perforant path perforant pathway perforate perforated tape perforated zinc perforating ulcer perforation perforation gage perforation gauge perforation plate perforative perforator perforce perforcedly perforin

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。