Molybdena
氧化钼
🗣️ 情景例句
You really surprised me
你已经够让人惊喜了
This is it. That's $9.15, please.
到了。请付9。15美元。
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。