Oxydant
含氧成分, 氧化剂
🗣️ 情景例句
What are you majoring in?
你主修什么专业？
He sweats with fear.
他在冒着冷汗。
I started to sing. The baby watched and listened ,and she didn't cry any more.
我开始唱歌。小孩看着，听着，不再哭了。