Sophoramine
槐胺
🗣️ 情景例句
Can you tell me where the campus library is located?
能告诉我校图书馆在哪儿吗？
Courtesy costs nothing.
谦虚恭敬，不用分文。
Education is one of the key words of our time.
教育是我们这个时代的关键词之一。