纱线

例句：

1. 1. She embroidered a beautiful flower pattern on the dress.
   她把美丽的花图案绣在了裙子上。
2. 2. The weaver used fine threads to make the intricate patterns.
   织布工用细丝制作出复杂的图案。
3. 3. The silk threads are so delicate that they can only be seen with a microscope.
   这些丝绸线非常细腻，只能通过显微镜才能看到。