Uuu
abbr. 苯丙氨酸的密码子
🗣️ 情景例句
Forgive my ignorance, But what exactly are you talking about?
请原谅我的孤陋寡闻，你说的到底是什么？
There is a black sheep in every flock.
群群羊中有黑羊。
Good afternoon.I believe that this is house is for sale.
下午好。我想这房子是要出售的吧！