ring n.戒指；环；圈；拳击场；马戏场；帮派n.铃声；钟声；电话；口气v.包围；环绕；形成圈v.打电话；回响；鸣响；按铃；听上去
双语例句
In addition, tigecycline is active against strains that carry any of the two major types of tetracycline resistance genes for ribosomal protection and efflux-mediated resistance. 另外，替加环素能抑制那些能够将四环素抗药性以及溢出调节抗药性基因，这两种主要类型的基因中任何一种携带至核糖体蛋白的菌株。
