Hexamethylamine
六甲铵
🗣️ 情景例句
Nothing special.
没什么特别的。
Mike found it difficult to adjust at first, but he's used to studying at Harvard now.
刚开始迈克发现很难适应在哈佛的学习，但现在他已经习惯了。
Thank you for everything.
谢谢你为我所做的一切。