单语范例（未经PONS编辑处理）
It is a shade-loving insect, rarely venturing out of the forest, except early in the morning, late in the evening or when it is overcast.
en.wikipedia.org On the second day it was sunny in the morning and fairly overcast in the afternoon.
en.wikipedia.org He waited hours until the sun began setting to capture the overcast shadowy lighting seen in the film.
en.wikipedia.org Upon attaining this intensity, the storm featured a developing eyewall within a central dense overcast.
en.wikipedia.org Fog and low overcast is common throughout the year.
en.wikipedia.org