Fmn
[化] 黄素单核苷酸
🗣️ 情景例句
We haven't heard from him for weeks but we're still hoping for a letter.
我们已经有几个星期没有他的消息，但仍然盼望着他的来信。
So I will receive and sign it overnight.
那么，我明天就可以收到并且签上名了。
The bison skins were sent by rail to cities to be sold.
野牛皮用火车运到城里出售。