Annelation
[化] 增环反应; 成环; 成环反应
🗣️ 情景例句
How many stamps do I need?
我需要多少邮票？
The plumber has made a mistake.
配管工犯了一个错误。
One moement let me show you out, sir. Good day, sir, good day.
先生，请稍等一会我送您出去。再见，先生，再见。