暗淡的

The lead content gives terneplate a dull appearance, a noncorrosive surface, and solderability.

铅的融入使镀铅锡钢板具有淡的外观、抗腐的表面和可焊接。

Reading in a poor light taxes the eyes.

淡的光线下看书很累眼睛。

Dark patches in the Milky Way are really clouds of dust cutting out the light from the stars.The most famous one is called "The Coalsack".

[银河中的淡份其实是阻隔了可见光的星际尘埃，当中的是黑星云「煤袋」。