Weberite
氟铝镁钠石
🗣️ 情景例句
A murder occurred last night in this very district.
就在这个区昨晚发生了一起凶杀案。
He's been everywhere.
他到处都去过了。
Sorry, Mr. Wu. I was not here yesterday.
对不起，吴先生。我昨天没有来。