noun🔗Share層雲A principal, low-level cloud type in the form of a gray layer with a rather uniform base, usually not associated with precipitation, and capable of producing corona phenomena and a weak, uniform luminance; abbreviated St."The gray stratus clouds hung low in the sky this morning, making it feel like the day would be gloomy. "今朝は灰色の層雲が空に低く垂れ込め、どんよりとした一日になりそうだった。weathernatureChat with AIVocabulary GamePractice Reading