Beryllonite
磷(酸)钠铍石
🗣️ 情景例句
He makes a good living.
他过得很优裕。
We certainly expect our product to be available by October 1.
我们的产品在可在10月1日前准备好。
Nearly all the sports practised nowadays are competitive.
现在开展的体育运动几乎都是竞争性的。