青霉素 qīngméisù penicillin Definitions Defs Origin Strokes Stroke Words Sentences Sents 氨苄青霉素 ānbiànqīngméisù ampicillin ampicillin; penbritin苄星青霉素 biànxīngqīngméisù benzathine penicillin benzathine benzylpenicillin; also known as benzathine penicillin G