Ssb
abbr. 太空科学委员会（Space Science Board）；选征兵役局（Selective Service Board）
🗣️ 情景例句
Will it be too late if I call around 9:00 tonight?
如果我在晚上9点左右打来会不会太晚？
No pains, no gains.
不劳则无获。
A lot of people can't tell the difference between an American accent and a Canadian accent.
许多人分不出美国口音和加拿大口音的差别。