Mesition
3-二甲氨(基)甲酰氧基-1-甲基吡啶
🗣️ 情景例句
Hello, Alexandra.
你好 Alexandra。
Do you still remember that Christmas?
你仍记得那个圣诞节吗？
My husband likes steak,but he doesn't like chicken.
我丈夫喜欢牛排，但他不喜欢鸡。