Percivalite
钠铝辉石
🗣️ 情景例句
Michelle is very grown up for a ten-year-old, huh?
以一个十岁的孩子来说 Michelle很成熟 ，是吗？
He spends a lot of time reading books on ecology.
他花了大量的时间阅读生态学方面的书籍。
People enjoyed the stamps very much.
人们非常喜爱这些邮票。