Spytomycin
(=puromycin)嘌呤霉素
??? 情景例句
In North America when people meet each other for the first time.
在北美，當人們第一次彼此見面時。
I had to pay three dollars for my club fee.
我付了三美元給俱樂部
Take it or leave it.
要不要由你。