Etydion
乙恶二酮
🗣️ 情景例句
She is a terrible student.
她是一个极糟的学生。
I doubt that I'll do anything tomorrow.
我不确定我明天将做什么事。
But of course, he can learn by himself. He has a book and a dictionary.
但当然，他也可以自学。他有书和词典。