Metalsorter
金属鉴别仪
🗣️ 情景例句
it's a graduation party for me.
这是为我毕业所办的派对。
I sure hope I can answer them for you.
我真的希望我能回答你的问题。
He's upstairs.He's having a bath.
他在楼上。他正在洗澡。