Marmatite
n. [矿]铁闪锌矿
🗣️ 情景例句
I lost a whole day's work.
我丢掉一整天的工作成果。
Nothing crave, nothing have.
有求才有应。
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。