Xanthopterin
黄蝶呤, 2-氨基-4, 6-二羟基蝶呤
🗣️ 情景例句
It's hard for some older people to take all that noise.
一些老年人没办法忍受那些噪音。
That's 9:26 on Track 16.
9点26分，16轨道。
This is to help you start your school.
这是帮助你开办学校用的。