我会用别针把裤子的补丁固定好，然后再把它缝上。

I'll keep the trouser patch in place with ___pins while I sew it on.

在缝合之前，她用一枚别针把两块布料固定在一起。

She used a ___pin to hold the two pieces of fabric together before stitching.

裁缝的针插上满是尖尖的别针。

The tailor's pincushion was full of sharp ___pins.