overcasting

• 指用长针脚（手工或机器）在布料边缘缝制以防散边的缝纫方法，即包边缝、锁边缝；也指这种针法本身。

A noun referring to a long whipstitch or overhand stitch that overlies an edge to prevent raveling, commonly used in sewing and tailoring.

1. Sewing stitchB2formal

   A long whipstitch or overhand stitch that is sewn over the raw edge of fabric to prevent it from fraying or raveling.

   包边缝

   • She used overcasting to finish the seams of the dress.
   • The tailor recommended overcasting for the delicate silk fabric.
   • Overcasting is a common technique in garment construction to ensure durability.

   同义词overhand stitchwhipstitch

• 动词，指用云层覆盖天空，使天色变阴；也指在缝纫中锁边或包边，以防布料边缘脱线。

A verb used to indicate the act of covering something, especially the sky with clouds, or in sewing, to stitch over an edge to prevent fraying.

不规则动词

1. Make cloudy or darkB1formal

   To cover with clouds or darkness, making the sky gloomy.

   使乌云密布

   • The storm overcast the sky in minutes.
   • Thick fog overcast the entire valley.
   • Dark clouds overcast the horizon before the rain.

   同义词becloudblackenclouddarkendimobscureovercloudshadeshadow

   反义词brightenclearilluminatelighten

2. Sew with long slanting stitchesC1formal

   To stitch over the raw edge of fabric with long, slanting stitches to prevent fraying.

   锁边

   • She overcast the edges of the dress to finish it neatly.
   • The tailor overcast the seams for durability.
   • He learned to overcast fabric in his sewing class.

   同义词oversewwhipwhipstitch

3. Sew with an overcast stitchC1formal

   To sew using an overcast stitch that connects one section to the next.

   包边缝

   • The pattern required her to overcast the pieces together.
   • He overcast the two panels with a matching thread.
   • The seamstress overcast the sections to create a smooth join.

   同义词oversewwhipwhipstitch