A:Penicillin is a kind of antibiotics and it can kill bacteria.
B:All antibiotics can k
选项:
A:Penicillin is a kind of antibiotics and it can kill bacteria.
B:All antibiotics can kill bacteria.
C:Some antibiotics just slow the bacteria down.
D:Thanks to penicillin, the woman's father survived many years ago.
发布时间:2024-04-01 14:28:23