Sigma.
[医] 千分之一秒
🗣️ 情景例句
A list of these items and a volunteer form
这些物品的清单和义工申请表格
Excuse me. Could you please tell me how to get to the station?
劳驾，请问到火车站去怎么走？
Yes, he has.He sold it last week.
是的，卖掉了。他上星期卖掉的。