drawstring

名词 drawstring:

1. a tie consisting of a cord that goes through a seam around an opening
   同义词：drawing string, string

draw.string

n.（名词）
A cord or ribbon run through a hem or casing and pulled to tighten or close an opening.
束带：穿入衣边或嵌条套的线绳或带子，用以拉紧或闭合开口