Rashing
煤层底板的软碳质页岩
🗣️ 情景例句
I love keeping animals for companionship.
我喜欢养动物为伴。
How was your flight? Was it comfortable?
你坐的班机怎么样？还舒服吗？
I visited museums and sat in public gardens.
我参观了博物馆，还去了公园。