biàn xīng qīng méi sù
(pharmacology) benzathine benzylpenicillin (aka benzathine penicillin G)
苄
biàn
benzyl (chemistry)
星
xīng
star
青
qīng
abbr. for 青海[Qing1 hai3], Qinghai Province
霉
méi
variant of 霉[mei2]
素
sù
raw silk
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