Perlite
n. [地]珍珠岩
🗣️ 情景例句
Thanks. I'm on my way over.
谢谢， 我马上就来。
He's a student.
他是学生。
India-born N.Damodar Reddy's tiny California company reopened an AT
T chip plant in Kansas City last spring with financing from the state of Missouri.