我截了张图发在群里，这样大家都能看到这个界面。

I sent an ___SS in the group chat so everyone can see this interface.

这艘蒸汽船在19世纪主要用于跨大西洋运输。

The ___SS was mainly used for transatlantic transportation in the 19th century.

历史档案详细记录了SS在二战期间的行动。

Historical archives detail the actions of the ___SS during World War II.