Transanhydrisation
酐交换作用
🗣️ 情景例句
I hope you're enjoying your stay here.
我希望你在这里过得愉快。
I'm sorry the casserole has gotten over cooked.
对不起，沙锅给炖焦了。
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样，你自信心不断增强，先是因为掌握一门学问，接下来是因为能够就此发表见解。