topstitch单词基本解析：

vt.在（衣服）外面的缝旁缝一道针迹
vt. 在(衣服)外面的缝旁缝一道针脚
vt.在（衣服）外面的缝旁缝一道针迹；

topstitch变化用词：

第三人称单数:topstitches;过去式:topstitched;过去分词:topstitched;现在分词:topstitching;
动词过去式: topstitched | 动词过去分词: topstitched | 动词现在分词: topstitching | 动词第三人称单数: topstitches |
过去式：topstitched过去分词：topstitched现在分词：topstitching第三人称单数：topstitches

topstitch英英释义：

名词 topspin:

forward spin (usually of a moving ball) that is imparted by an upward strokeTopstitchTopstitching is a sewing technique. It is used most often on garment edges such as necklines and hems, where it helps facings to stay in place and gives a crisp edge.

以上来源于:Wikipedia

topstitch中文词源：

topstitch用法和例句：

topstitch

Topstitch through using single needle stitch in zigzag shape.

就是单针间人字线。因为是有专门的人字平车的。

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