扩散: spread; diffuse; proliferate; scatter about; irradiation; diffusion 短语和例子扩散光 diffuse light; 癌扩散 proliferation of cancer; spread of cancer; 病菌扩散 proliferation of germs; 核扩散 nuclear prolifer
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