Annelation
[化] 增环反应; 成环; 成环反应
🗣️ 情景例句
Usually a house is too expensive for the salary-earning class to buy.
通常房屋太贵，工薪阶层买不起。
Would you mind mailing this letter for me?
你介意寄我的这封信吗？
But it is also used very widely as a foreign language in many other countries in the world.
然而在世界上其他许多的国家英语也被当作一门外语广泛地使用。