stratus

英['streɪtəs] 美['streɪtəs]
  • n. 层云
strati
Noun:
  1. a large dark low cloud

1. The CCN concentration almost do not change with altitudes in stratus cloud over Ningxia area.
沙尘天气现象没有明显地增加CCN浓度.

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    用作名词 (n.)
    1. When the stratus is overhead and the sky is low,the hill-tops are hidden.
      层云当空的时候,天空感觉较低,把小山头盖住了。