(verb.) render fertile and preserve by placing between layers of earth or sand; 'stratify seeds'.
(verb.) form layers or strata; 'The rock stratifies'.
(verb.) form, arrange, or deposit in layers; 'The fish are stratified in barrels'; 'The rock was stratified by the force of the water'; 'A statistician stratifies the list of names according to the addresses'.
(verb.) divide society into social classes or castes; 'Income distribution often stratifies a society'.
(verb.) develop different social levels, classes, or castes; 'Society stratifies when the income gap widens'.
戴维录入
手打:纳塔利