Polyester fibers are white and can vary from luster and semi-translucent to dull and opaque depending on the amount of the lustrant added to the polymer.
聚酯纤维呈白色，它可以是有光泽的、半透明的。聚酯纤维的光泽取决于所加入光泽剂的量。
2
The primary corundum deposit in eastern Hebei is near the ground surface. The corundum is megacrysts, pink or dark red color, semi-transparence to opaque.
Within the bedrooms, transparent panels and semi-opaque materials are used as dividers, so that sleeping Spaces, bathrooms, and even the wardrobes all merge seamlessly.