2022年1月20日
antibiotic
摘要： An antibiotic is a type of antimicrobial [抗微生物的] substance active against bacteria. It is the most important type of antibacterial agent for fighting 阅读全文
posted @ 2022-01-20 19:47 华容道专家 阅读(407) 评论(0) 推荐(0)