Oregonite
砷铁镍矿
🗣️ 情景例句
Is room service available?
有房间服务吗？
They bray most that can do least.
说话最多的人，能做的事最少。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡