熟丝

silk raw material (prepared by boiling in soap)

silk / thread / trace / (cuisine) shreds or julienne strips / CL:條|条[tiao2] / classifier: a thread (of cloud, smoke etc), a bit, an iota, a hint (of sth) etc

ripe; mature / thoroughly cooked; done / familiar; acquainted / experienced; skilled / (of sleep etc) deep; profound / also pr. [shou2]