drawstring

n string that can be pulled so as to close a bag, purse, garment, etc （口袋、 钱包、 衣服等的）束带, 拉绳.

draw back, draw forth, draw in, draw into, draw lots, draw on, draw out, draw to a close, draw up, drawback, drawbridge, drawee, drawer, drawers, drawing, drawing-board, drawing-pin (US thumb-tack), drawing-room, drawl, drawn, dray, dray-horse, dread, dreadful, dreadfully, dreadfulness, dreadlocks, dreadnought, dream, dream of, dream up, dream world, dream-land, dreamer, dreamily, dreaminess, dreamless, dreamlike, dreamy, drearily,