Isoriboflavine
异核黄素
🗣️ 情景例句
Do you ever think about your clildhood?
你回忆过童年吗？
Boy, you are in a lousy mood!
天啊，你情绪糟糕透了！
Just a moment and I'll get you your change. (Look at the note.) Goodness me!
请等一下，我就给你找钱。（看了看钞票）哦，我的天哪·