overcast loader

例句：

1. 1. The sky was overcast when we went for a hike.
   我们去远足时天空是多云的。
2. 2. She wore an overcast hood to keep warm in the cold weather.
   她在寒冷的天气里戴着一顶遮风挡雨的帽子。
3. 3. The overcast clouds made it difficult to see the stars.
   多云使得难以看见星星。