Polyoxide
多氧化物
🗣️ 情景例句
May I have a tour of the cockpit, please?
我能参观一下驾驶舱吗？
Would you wait here for a minute?
您能在这里等一下吗？
Television cameras and newspapers carried the news to everyone in the country.
电视摄像机和报纸把消息传送到全国。