Dipicolinic acid
[化] 吡啶二羧酸
🧩 词语组成解析
🗣️ 情景例句
May I have a pillow and blanket, please?
能给我一个枕头和毛毯吗？
Knowing something of everything, and everything of something.
通百艺而专一长。
When you place a sheet of paper in a fax machine, the machine reads the writing on the page and changes the shapes of letters into electronic signals.
当你把一张纸放进传真机里，机器就会"读"纸上的字迹，把字的形状变为电子符号。