Kampylite
磷砷鉛礦
??? 情景例句
Oh, it was no trouble.
哦 沒什么麻煩。
We should take due care for this accident.
我們應該對這件事給予應有的注意。
Look at this letter from Wang Wei to her penfriend in Australia.
請看這封王偉寫給她在澳大利亞的筆友的信。