Diamondite
赛金刚石合金; 碳化钨合金
🗣️ 情景例句
I was deeply impressed by his speech.
他的演讲给我留下深刻的印象。
Steve will certainly enjoy your company.
史蒂夫一定高兴跟你在一起。
Is there a ball under the table?
桌子上有一只球吗？