silken
adjective [ usually before noun ] uk/ˈsɪl.kən/ us/ˈsɪl.kən/
literary丝绸般的，柔软光滑的
soft, smooth, and shiny like silk
The princess in the fairy tale had long silken hair. 童话故事里的公主有着如丝般顺滑的长发。
（声音）柔和的
a silken sound is one that is pleasant because it is very smooth
The actor delivered his speech in a silken voice. 这个演员以柔和的声音发言。