Xanthopterin
黄蝶呤, 2-氨基-4, 6-二羟基蝶呤
🗣️ 情景例句
Thank you.
谢谢你。
My right arm hurts. It hurts right here.
我的右手臂受伤。 它恰好受伤在这里。
Even though the noble was expected to read the letter at each performance,
尽管那个贵族每场戏都得念一遍那封信。