Question

丝线一段毛线、粗线或丝线，尤指主要用来缝合钮扣孔的结实丝线 sī xiàn yī duàn máo xiàn、 cū xiàn huò sī xiàn， yóu zhǐ zhǔ yào yòng lái fèng hé niǔ kòu kǒng de jiē shi sī xiàn

Accepted Answer

A length of yarn, cord, or thread, especially a strong silk thread used mainly to bind the edges of buttonholes.

Expression	丝线一段毛线、粗线或丝线，尤指主要用来缝合钮扣孔的结实丝线
Meaning	A length of yarn, cord, or thread, especially a strong silk thread used mainly to bind the edges of buttonholes.
Reading	sī xiàn yī duàn máo xiàn、 cū xiàn huò sī xiàn， yóu zhǐ zhǔ yào yòng lái fèng hé niǔ kòu kǒng de jiē shi sī xiàn

Sī Xiàn 丝线一段毛线、粗线或丝线，尤指主要用来缝合钮扣孔的结实丝线 Length Yarn Cord Thread Strong