Degradinite
显微硬质煤组分
🗣️ 情景例句
Play it cool.
做事要冷静。
I would like to cancel the reserved seat.
我要取消已预定的位置。
We want to give some money to this project so that the number of this deer in China can be increased.
我们想在这个项目上花些钱，以便使这些麋鹿的数量在中国得到增加。