Forbesite
纤砷钴镍矿
🗣️ 情景例句
But what about your friends?
但你的朋友怎么办？
The ancient Roman civilization was finally destroyed by the nomadic tribles.
古罗马终于被游牧民族灭亡了。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。