可察覺的用法和樣例：
例句
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顫音一種顫動或振動效果，由可察覺的微小迅速的音階變化在聲音或樂器的調子中產生的
A tremulous or pulsating effect produced in an instrumental or vocal tone by barely perceptible minute and rapid variations in pitch. -
風移動的空氣，尤指與地面平行或沿地面空氣的自然且可察覺的移動
Moving air, especially a natural and perceptible movement of air parallel to or along the ground.
