Xanthostemone
黄梗酮, 3-羟-4, 4-二甲-2-异丁基环己-2, 5-二烯-1-酮
🗣️ 情景例句
What's your regular practice concerning terms of payment?
你们常用什么付款方式？
Don't let me down.
不要让我失望。
No! There's nobody there.
没有！什么人也没有！