casting seam

例句：

1. 1. The dress has a beautiful casting seam that catches the light beautifully.
   这件衣服有一个漂亮的缝纫针脚，能很好地反射光线。
2. 2. She carefully sewed her own cast-off clothes together to make a new quilt.
   她小心翼翼地把旧衣服缝在一起，做成了一个新的被子。
3. 3. The tailor skillfully picked up the loose threads and re-stitched the casting seam.
   裁缝巧妙地拾起松散的线头，重新缝制了针脚。