Contamin
康塔明铜锰镍电阻合金
🗣️ 情景例句
Does that make any sence?
这样清楚了吗？
What time did you use to get up last year?
你去年时常什么时间起床？
He's upstairs.He's having a bath.
他在楼上。他正在洗澡。