Perlit
波利特铸铁, 珠光体铸铁
🗣️ 情景例句
You're writing a book?
你在写一本书吗?
To marry again
再婚
A born teacher, she thought she could turn a deaf-blind person into a useful human being.
她是一个天的教师，认为自己可以把一个聋盲人变成一个有用的人。