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
You've lost your family.
你无家可归了。
Don't break the rules.
不要违规。
We just caught the plane
我们刚好赶上了飞机。