Hexanicotinate
六烟酸肌醇酯
🗣️ 情景例句
Thank you, thank you!
谢谢 谢谢
Please tell him to stop jumping up and down.
请告诉他不要调上跳下。
Why? English is the first language in none of these countries.
为什么？在这些国家中英语都不是第一语言。