1929, coined in English by Alexander Fleming (1881-1955), who first recognized its antibiotic properties, from Modern Latin Penicillium notatum (1867), the name of the mould from which it was first obtained, from Latin penicillus "paintbrush" (see pencil (n.)), in reference to the shape of the mould cells.
权威例句
1. I should have asked him for a shot of penicillin.
我应当让他给我打一针青霉素的.
2. She injected the patient with penicillin.
她给病人注射了青霉素.
3. Penicillin was an extremely significant medical discovery.
青霉素是极其重要的医学发现.
4. Penicillin cured him of his pneumonia.
青霉素治好了他的肺炎.
5. Fleming discovered penicillin by accident in 1928.