Hexanicotol
六烟酸肌醇酯; 烟酸肌醇酯
🗣️ 情景例句
May I ask for a wake-up call tomorrow morning?
明早我可以要求晨叫服务吗？
I phoned him last Saturday.
我上个星期六打电话给他。
What happened to me?
我出了什么事？