Beryllonite
磷(酸)钠铍石
🗣️ 情景例句
He watches the CCTV news at 7:00 P.M. everyday.
他每晚 7 点都收看“中央电视台”的新闻联播。
May I ask you a question?
我可以向您提个问题吗？
The factory has been there for several years.
这家工厂在那儿已有好几年了。