Diamondite
赛金刚石合金; 碳化钨合金
🗣️ 情景例句
I don't know.
我不知道。
Experience keeps no school, she teaches her pupils singly.
亲身经验，才是经验。
This evening the cave was ours. It belonged to no one else.
今天晚上，山洞是我们的，它不属于别人。