Hexoxide
六氧化物
🗣️ 情景例句
Hello, sir.
您好，先生。
No news is good news.
没有消息就是好消息。
At the station, he was told by a smiling policeman that his bicycle had been found.
在警察局里，一位面带笑容的警察告诉他，他的自行车找到了。