土壤: soil; ground; pedogenesis; ped-; pedo- 短语和例子多腐植质的土壤 humus-rich soil; 只要帝国主义还存在, 就有发生侵略战争的土壤。 as long as imperialism exists there will be soil for wars of aggression.; 土壤保持 [生态学] soil conse
制度: system; institution 短语和例子规章制度 rules and regulations; 笔试制度 system of written work; 财务制度 financial system; fiscal system; 工厂制度 factory system; 工资制度 wage system; 管理制度 management system; 管理货币制
