Nacrum
(=nacre)珍珠质
🗣️ 情景例句
I'm always in a bad mood on Mondays.
我每个星期一情绪都很低落。
It is better to wear out than to rust out.
与其锈掉，不如用坏。
She got to school early. She had a little rest after lunch, but she worked hard in class all day.
她早早来到了学校。午饭后她小休一会儿，但一整天她在课堂上都很用功。