Diamondite
赛金刚石合金; 碳化钨合金
🗣️ 情景例句
We'll know when tonight's papers come out.
今晚的报纸出来的时候， 我们就知道了。
Did you go to the picnic this morning?
你今早去野餐了吗？
I know it's not necessary. I want to do it.
我知道不必这样，可是我愿付？/span>