Teroxide
三氧化物
🗣️ 情景例句
Excuse me? What did you say?
对不起，你说什么？
To research the graph
研究曲线图
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。