B synnematin
[医] 共霉素B, 头孢菌素N, 青霉素N
🧩 词语组成解析
共霉素
🗣️ 情景例句
The cost of housing's too high for you here.
这里的房子对你们来说太贵了。
Better have something we can get our hands on rather than just spend all our time talking.
有些实际材料拿到手总比坐着闲聊强。
Yes, there must be over two hundred here.
是呀，这儿一定有200多张。