They actually rely on their daylightvision and cannot fly during the night with no moonlight.
实际上,它们依靠的是昼视觉,在没有月光的夜晚则无法飞行。
2
Vision in bright light, mediated by cone cells of the retina; daylightvision.
光适就,眼对光调节通过视网膜的锥形细胞调整亮光中的视觉;光线视觉。
3
Both functional and aesthetic in nature, the facade is designed to improve access to daylight, reduce heat and glare, and maintain vision for a healthy internal environment.