bi.o.de.grad.a.bleadj.(形容词)Capable of being decomposed by biological agents, especially bacteria:生物可降解的:能被生物制剂分解的,尤指细菌:例句:a biodegradable detergent.生物可降解清洁剂【引伸】bi.odegrad.abil.ityn.(名词)bi.odeg.rada.tionbi.odegrade.v.(动词)