needle shank

例句：

1. 1. The needle shank is made of stainless steel.
   针柄是由不锈钢制成的。
2. 2. The needle shank was sharp enough to penetrate the fabric easily.
   针尖足够锋利，可以轻松穿过布料。
3. 3. The needle shank was used to make a precise stitch in the fabric.
   针尖用于在布料上制作一个精确的缝线。