the quality of having skin that is very light in colour; the fact of having skin that has less colour than usual because of illness, a strong emotion, etc. Rachel noted the dark rings around his eyes and the paleness of his face. 雷切尔（Rachel）注意到他周围的黑眼圈和脸色苍白。
the quality of being light in colour The paleness of the materials contrasts with the deep blue walls. 材料的苍白与深蓝色的墙壁形成鲜明对比。
the quality in light of not being strong or bright the paleness of the early morning light 晨曦的苍白