Ribonucleate
核糖核酸盐
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
I'm Edwin. I'll show you to your hotel.
我是爱德温，我带你去旅馆。
I'm sorry, but I don't think this damage is our fault.
抱歉，不过我不认为这次的损坏是我们的错。