Petrox
石油氧化物
🗣️ 情景例句
I think it would be building team spirit among my co-workers.
我认为就是我在同事间建立了团队精神。
It is a matter of life and death to me.
那对我是生死交关的问题。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，