Manganosite
方錳礦
??? 情景例句
What is your favorite sport?
你最喜歡的運動是什么？
All products have to pass strict inspection before they go out.
所有產品出廠前必須要經過嚴格檢查。
Most of North and South China will have a cold wet day.
華北、華南大部分地區將寒冷潮濕。