词汇	pay up a debt
释义	pay up a debt 还账
随便看	chitoria ulupi arakii Chitosa chitosamine chitosamineglucosamine chitosam resin Chi tosan chitosan-acrylamide graft copolymer Chitosan adsorbent Chitosan-alginate microcapsules chitosan-alginate microsphere chitosan and its derivatives chitosan antibacterial regenerated fiber Chitosan Application in Oral Medicine chitosanas chitosanase Chitosanase activity chitosanases chitosan beads chitosan chitosan biguanidine hydrochloride chitosan-bismuth chitosan blend film chitosan capsule chitosan cartilage chitosan-CdS composite nanoparticles