SF国产成人无码A在线观看不卡

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SF国产成人无码A在线观看不卡

"SF" can stand for several things depending on the context. Here are a few common meanings:

1. **San Francisco**: A major city in California, USA, known for its iconic Golden Gate Bridge, steep rolling hills, and diverse culture.

2. **Science Fiction**: A genre of speculative fiction that typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.

3. **Square Foot/Feet**: A unit of area measurement used primarily in the United States.

4. **Suffolk**: A county in England, often abbreviated as "SF" in some contexts.

5. **Special Forces**: Elite military units trained for special operations.

6. **Sierra Foxtrot**: The phonetic representation of the letters "S" and "F" in the NATO phonetic alphabet.

If you have a specific context in mind, feel free to provide more details!

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