保安每两个小时巡逻一次。 保安每兩個小時巡邏一次。 保安每兩個小時巡邏一次。
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- Simplified
- 保安每两个小时巡逻一次。
- Traditional (Taiwan)
- 保安每兩個小時巡邏一次。
- Pinyin
- Bopomofo
Written with HSK 7-9 vocabulary, at CEFR level C1.
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