funtuline

例句：

1. 1.She used to sew with a funtuline.
   她以前用缝纫机线来缝衣服。
2. 2.The fabric was so fine that it needed no funtuline.
   这布料很细，不需要缝纫机线。
3. 3.He carefully threaded the needle and began to embroider.
   他小心翼翼地穿针引线，开始绣花。