Ssb
abbr. 太空科学委员会（Space Science Board）；选征兵役局（Selective Service Board）
🗣️ 情景例句
Sir, this offer will expire this week.
先生，这次特价这个礼拜就结束了。
And trade terminology in English is helpful in actual business negotiations.
对于实际的商务谈判是非常有用的。
you will realize that a modern navy is a good place to study noise.
你就会认识到现代海军是研究噪音的好地方。