tectorium疏松: loose; puff层: I storey; tier; stratum疏松: 1.(土壤等松散; 不紧密) loose; puff 土质疏松。 the soil is porous.2.(使松散) loosen 疏松土壤 loosen the soil松层孔菌: ring scale fungus; ringscalefungus使疏松: aerate下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:疏松层,即可在微信中查询翻译