Cerinite
纤维质(煤岩), 杂白钙沸石
🗣️ 情景例句
Where do people hang out on the weekend?
大家周末都去哪儿玩？
Wouldn't that be too much bother?
不会太麻烦吧？
He does exercises every day in the morning.
他每天早上锻练身体。