His skin had lost its luster and had a dull, leathery look, like a chicken wing left in the freezer too long.
他的皮肤已经失去了光泽，看上去有点暗淡的皮革色，像一只放在冰箱里太久的鸡翅。
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。
Oxidation of the skin causes it to appear dull. Vitamin E improves the appearance of the skin by adding color and luster to the skin.
氧化作用的伤害， 会使皮肤变得暗沉；维他命E 可以带给皮肤色彩与光泽，改善肤质。
Oxidation of the skin causes it to appear dull. Vitamin E improves the appearance of the skin by adding color and luster to the skin.
氧化作用的伤害， 会使皮肤变得暗沉；维他命E 可以带给皮肤色彩与光泽，改善肤质。
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