Heterocyclization
杂环化(反应)
🗣️ 情景例句
Has poor scholastic record, just got by.
学习成功不够好，仅仅过得去而已。
That's easy for you to say.
你说的容易。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！