Spasur
宇宙监视系统(=space surveillance system )
🗣️ 情景例句
OK, let's get started.
好吧 ，我们开始工作。
Reputation is often got without merit and lost without fault.
无功得名是常事，无过失名也是常事。
But my sister bought this pair last month.
但是，我姐姐上个月买到了这样的一双。