Lithodeon
[医] 银汞硅土
🗣️ 情景例句
What's your telephone number?
你的电话号码是多少？
To blow smoke rings
喷出烟圈
In the centre of the hall, there were a number of tall structures which contained coloured lights.
展厅中央是装有彩色灯泡的许多高高的构件，