[mass noun]power and influence over others 支配权;影响力 the worldwide dominance of Hollywood. 好莱坞在全世界的影响。 ■(Genetics)the phenomenon whereby, in an individual containing two allelic forms of a gene, one is expressed to the exclusion of the other (遗传)显性 ■(Ecology)the predominance of one or more species in a plant (or animal) community (生态)优势度