Ssts
abbr. signaling and supervision techniques study 信号传送与监听技术研究; space surveillance and tracking satellite 空间监视与跟踪卫星; space-based surveillance and tracking system 天基监视与跟踪系统
🗣️ 情景例句
and this is an important decision we have to make.
这又是我们必须做的一个重大决定。
Whatever.
无所谓。
Very interesting.
很有意思。