Xanthopterin
黄蝶呤, 2-氨基-4, 6-二羟基蝶呤
🗣️ 情景例句
I would like to buy a diamond necklace for my wife.
我想为我的妻子买一条钻石项链。
You don't have the right.
你还不够格。
Lily was born ten minutes before me,so she says,I'm older than you! So I must open the present!
“我比你大！应该由我来拆礼物包！”