Diamondite
赛金刚石合金; 碳化钨合金
🗣️ 情景例句
I can take the bus to work ...
我可以坐公共汽车上班……
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
How long will it take you to complete the trip?
你旅行全程需要多长时间？