Disaccharide
n. [化]二糖
🗣️ 情景例句
This is very helpful, Mrs. Martinelli.
这样很有用， Martinelli太太。
No, I don't. Will it be a problem?
不，我没有，会有困难吗？
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，