Balkstone
含杂质的层状灰岩
🗣️ 情景例句
Nets for tennis and badminton and so on.
有网球和羽毛球用的网等等。
He always keeps his words.
他总是信守诺言。
It often rains,sometimes quite heavily. Everything grows very quickly.
常下雨，且有时下得很大。万物生长很快。