Lehmannite
铬铅矿
🗣️ 情景例句
I agree.
我同意。
Many wells, many buckets.
井多吊桶也多。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。