For determining potency and residues by microbiological assay technique . Especially for Lincomycin , Clindamycin, Neomycin , ROXithromycin, etc.用于林可霉素,克林霉素 、 新霉素 、 罗红霉素等效价及残留的微生物学测定.The immunogenic potency of soluble an...
I stood watching him play ducks and drakes.我站着看他打水漂游戏.You have no right to play ducks and drakes with money that has been entrusted to you.你没权挥霍委托你保管的钱.He played ducks and drakes and soon blew up all his wad.他挥金如土,很快就花光了...