Rhamninose
鼠李三糖
🗣️ 情景例句
What books are required for this class?
这课需要什么样的书？
You must come right away.
你必须马上过来。
When you have finished the letter, you make any changes you wish, check it and print it.
当你打完信件，你可以随意修改、检查，然后打印。