Endlichite
砷钒铅矿
🗣️ 情景例句
This job is back-breaking work.
这份工作强度很大。
Would you meet me 3:30?
你能在三点版和我见面吗？
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。