Oregonite
砷铁镍矿
🗣️ 情景例句
Just make the few changes I suggested and your letter will be perfect!
只要改动我提到的个别地方，你的信就会很完美了。
It must be rather difficult for us to push any sales if we buy it at this price.
如果我们按这个价格购买，将很能难推销。
one ought to have at least two or three hobbies, and they must all be real.
至少应有两三种爱好，而且都比较实际。