Board Thread:Câu hỏi và trả lời/@comment-5501257-20150402055538/@comment-26243382-20150604093306

In particular, the one thread that was firmly connected to the very bottom of his heart and extended straight outwards from there, shining like black silk

cho mình hỏi cụm từ shining like black silk trong câu trên dịch như thế nào vậy ? cảm ơn