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
Then I've solved your problem.
说来我替你解决问题了。
Biased.
偏心。
How is the new material working out for you?
新原料用得如何？