Flikite
褐砷锰矿
🗣️ 情景例句
Do you want manual or automatic transmission?
你的汽车想配备一个手动挡还是自动挡？
I understand completely.
我完全明白。
They then knew that they had discovered the cause of the fire.
这时调查人员知道他们找到了发生火灾的原因了。