Forsterite
镁橄榄石
🗣️ 情景例句
And Richard thanks you.
Richard也会感谢你。
She was distinguished for her scientific achievements.
她因其科学成就而闻名。
because they are unwilling to have their names entered as having taken out such and such a book,
因为它们不愿让人家记下它们公司的名字和借阅的某一本书。