Biolithite
生物岩类
🗣️ 情景例句
My name is Ellen Stewart.
我叫Ellen Stewart。
The doctor advised me to get plenty of exercise.
医生建议我多锻练。
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。