Ssb
abbr. 太空科学委员会（Space Science Board）；选征兵役局（Selective Service Board）
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
In addition to all her other qualifications, Bessie was an expert cook.
贝西除了有各种本领以外，还是一个烹饪大师。