Xanthopterin
黄蝶呤, 2-氨基-4, 6-二羟基蝶呤
🗣️ 情景例句
Keep quiet about it if you know what's good for you.
什么也别说，免得你自个儿添不自在。
Without danger we cannot get beyond danger.
没有危险就不能解除危险。
Congratulations! your bid has won.
恭喜！你得标了。