Overcast stitch is one of several types of sewing stitches, this type being used on a raw, or unfinished, seam or edge. The purpose is to prevent unraveling of the fabric.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。