Polyquinoxaline
[化] 聚喹喔啉
🗣️ 情景例句
It is said that another suicide bombing occurred in the country yesterday.
据称，昨天在这个国家又发生了一起自杀式炸弹事件。
It is easy to be wise after the event.
当事后诸葛亮容易。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。