Macgovernite
粒砷錳鋅礦
??? 情景例句
What is your regular practice concerning the terms of payment?
你們一般采用什么付款方式？
The fork is dirty, Would you bring me a clean one, please?
這叉子是臟的，請你拿個干凈的給我。
Never try to carry the pan out of the kitchen.
千萬不要立刻把油鍋拿出廚房。