Allogonite
磷铍钙石
🗣️ 情景例句
What are you majoring in?
你主修什么专业？
We hope your design and the color will be strongly attractive to the American people.
我们希望你们的设计和颜色对美国人具有巨大吸引力。
Every year, several classes visit the factory.
每年都有好几个班去参观这家工厂。