pinking shears
US /ˈpɪŋkɪŋ ˌʃɪrz/
UK /ˈpɪŋkɪŋ ˌʃɪrz/

1.
锯齿剪, 花边剪
shears with a serrated blade, used for cutting a zigzag edge in cloth to prevent fraying
:
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She used pinking shears to finish the edges of the fabric.
她用锯齿剪来修剪布料的边缘。
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Always use pinking shears on fabrics that fray easily.
对于容易散边的面料,务必使用锯齿剪。