Zircal
锌镁铜铬锰铁硅合金
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
很抱歉，恐怕我今晚没空。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
He's over there. He's cleaning the car.
他在那边，在洗车。