Oligonite
[化] 菱锰铁矿
🗣️ 情景例句
As Ms. Smith has indicated on several previous occasions.
史密斯夫人在先前的几个场合已表示过我们对目前的印刷的安排很满意。
I'm Dennis. I am here to meet you today.
我是丹尼斯，今天我到这里来接你。
What are you up to?
你在忙什么呢？