Hexanose
己糖
🗣️ 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
How long are you going to stay here?
你要在这里停留多久？
Sorry I am late. The car broke down.
抱歉我晚了，车坏了。