您要查找的是不是：
- 青霉素penicillin
- 氨苄青霉素penbritin
- 此为F。O。B。横滨实盘，有效期为本地时间星期一收到回电。We offer firm FOB yokohama for your telegraphic reply here by monday our time.
- 有些人不能打青霉素。Some people cannot tolerate penicillin.
- F级F class
- 我对青霉素有过敏反应。I have an allergy to penicillin.
- 双酚FBPF
- 我应当让他给我打一针青霉素。I should have asked him for a shot of penicillin.
- F掺杂F doping
- 青霉素是现代抗生素的先导。Penicillin was the forerunner of modern antibiotics.
- F-12F-12
- 我打了一针青霉素。I had a shot of penicillin.
- F-集Fuzzy Set
- 他对青霉素过敏。He is allergic to panicillin.
- P&F线P& F line
- 希力-FXiLi-F
- 打一针青霉素约花两块钱。An injection of penicillin costs about2 yuan.
- 费歇尔F分布Fisher's F distribution
- 青霉素[酰胺]酶penicillin amidase
- F牵引梁F draft sill
