Phosphoribosylamine
磷酸核糖胺
??? 情景例句
OK. We'll ring you up at 6:00 a.m. tomorrow.
嗯，我們會在明天6點整叫您。
What is known to three is known to everybody.
一件事情三個人知道就人人知道。
It's no good trying to persuade me. You won't succeed.
勸我沒用。你不會成功的。