Dobschauite
辉砷镍矿
🗣️ 情景例句
It's no big deal.
这没有什么。
Could you tell me where is the elevator?
你能不能告诉我电梯在哪里？
But a watch could never repair itself----it does not consist of living parts,
但是，手表决不会自行修理，它不是由有生命的部件组成，