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altostratus cloud

/ˈæltoʊˌstreɪtəs klaʊd/

翻译: 中层云的一种,呈灰色或蓝灰色的云幕或云层,常覆盖整个天空,通常带来小雨或预示暖锋将至。

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phrase

/ˈæltoʊˌstreɪtəs klaʊd/C1formalscientific
  • zh中层云的一种,呈灰色或蓝灰色的云幕或云层,常覆盖整个天空,通常带来小雨或预示暖锋将至。

A mid-level cloud formation characterized by a gray or blue-gray sheet or layer, often covering the entire sky and typically producing light precipitation or indicating an approaching warm front.

  1. Mid-level cloud typeC1formal

    A type of cloud that forms at middle altitudes, typically between 2,000 and 7,000 meters, appearing as a gray or blue-gray sheet covering the sky.

    zh高层云

    • The sky was covered by an altostratus cloud, blocking the sun.
    • Altostratus clouds often precede a warm front and light rain.
    • Pilots watch for altostratus clouds as they can indicate changing weather.