masking of sound的用法和樣例：
例句
- White noise is a good masking agent.
白雜訊是一種很好的掩蔽聲。 - In the next set of experiments, subjects performed a subliminal conditioning task that employed the same masking procedure, but the cues were now paired with monetary outcomes.
試驗的第二階段，受試者藉助同樣的掩蔽信號步驟完成一套下意識的條件反射程序，不同的是這次信號與貨幣成果相結合。
