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
形成: form; take shape; shape; formation; production; morph-; morpho-; plasto-; -plasia; -fy 短语和例子良好习惯的形成 the formation of good habits; 性格的形成 the formation of character; 云是悬在空气中的水滴形成的。 clouds ar