Ssb
abbr. 太空科学委员会（Space Science Board）；选征兵役局（Selective Service Board）
🗣️ 情景例句
The truth is, I am.
事实上， 我的确如此。
How much is a one-way ticket to Beijing?
一张到北京的单程票要多少钱？
because the environment that determines our evolution is no longer essentially physical.
因为决定我们进化环境的主要方面已不再是物质。