Formycin b
[化] 间型霉素B
🧩 词语组成解析
间型霉素
🗣️ 情景例句
It's a problem, isn't it?
这确实是个问题，不是吗？
Speak little of your ill luck and boast not of your good luck.
少说失意事，莫夸好运道。
I can believe that.
我相信。