Sois
[计]= Space Object Identification System,航天[空间]目标识别系统
🗣️ 情景例句
Did you do anything special?
你们做了什么特别的事情吗？
When the phone rang, I was painting upstairs.
当电话铃响的时候，我在楼上画画。
The woman first bought a few small articles.
这位妇女先是买了几样小商品。