Harkerite
硼硅钙镁石
🗣️ 情景例句
No thanks. Maybe some other time.
不用了，谢谢。也许下次吧。
You're welcome.
不客气。
The twin towers are 110 storeys high, but high-speed lifts controlled by computer take only a minute to reach the top.
这座双塔式大楼有110层高，而由电脑控制的高速电梯只需一分钟就可以到达塔顶。