silk 作为单独的蚕丝,绸缎这种材质时是不可数名词。

Some young men often play the drums, and the performers wave red silk bands .一些年轻人经常打鼓，表演者则挥舞着红绸带。He sent samples in small silk bags.他把样品装在小丝袋里送来。Fans of this kind were made of silk这种扇子由丝绸做成的。He travelled to China along the Silk Road with his father.他和父亲一起沿着丝绸之路前往中国。但是silk作为各个种类的丝绸是可数的，复数silks。They include silks and coloured thread.它们包括各种丝绸和彩线。Silks and satins put out the kitchen fire.身上绫罗绸缎，厨下炊烟不见。She is dressed to the teeth in red silks.她一身红色丝绸衫，十分显眼。I got some new silks that are really bad.我得到一些新的丝制品，真是棒极了。