polymer
n
(chemistry 化) natural or artificial compound made up of large molecules which are themselves made from combinations of small simple molecules 聚合物; 聚合体.
You don't keep your word. Why didn't you tell me then? I've been looking forward to it. How can you change your mind at last minute?
你不守信用。为什么那时不告诉我呢?我一直都盼望着它呢。你怎么能在最后时刻改变主意呢?
The moment he reached the country, he started his search.
他一到达冈比亚,就开始探寻工作。
So, celebrate your success, and invite your parents to celebrate with you, however hard it may be for them. If you continue to be excited about your future, you may come to educate your parents in the same way.