Shungite
[地质]次石墨
🗣️ 情景例句
Remember to lock your door and windows when you leave the house.
出门前记得锁好门窗。
The devil knows may things because he is old.
老马能识途。
There is only enough spring water to supply the needs of the houses, so we have to pump from the river for farm use.
泉水只能满足家庭生活用水，因此我们必须从河里抽水以用于农业生产。