Garrelsite
硅硼镁石
🗣️ 情景例句
What kind of person do you think you are?
你觉得你是那种人？
You saw that movie, didn't you? Was it interesting?
你看过这部电影了吧？精彩吗？
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。