Neochrysolite
錳鐵橄欖石
??? 情景例句
First you must find out the clause of the quality problems and furnish sufficient evidence.
首先你的查查有關質量問題的條款，并提供足夠的證據。
I played downstairs last night.
我昨晚在樓下玩。
It's our favourite subject of conversation.
天氣是我們最喜歡談論的話題。