Degradinite
显微硬质煤组分
🗣️ 情景例句
Will your family be attending the graduation ceremony?
你的家人要来参加你的毕业典礼吗？
I'd like a refund.
我要想退款。
The snake, however, continued to 'dance' slowly.
然而那蛇却还是缓慢地“舞动”着。