Keramzite
素烧粘土填料, 有孔粘土, 陶结块
🗣️ 情景例句
He applied to Columbia,
他申请了Columbia大学。
The restaurant is a mile from the hotel.
那餐厅在饭店过去约有一英里。
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？