They sit inside the igloo and stitch with fine needles, making clothes from animal hides.

她们坐在冰屋里，用细针缝东西，用动物皮做衣裳。

Fine needles are inserted in the arm.

【fine】很细的针插在胳膊上。

Finally, a biopsy of the swelling, or a fine needle aspiration and cytology, where fluid from the swelling is taken, may be done to confirm the diagnosis.

最终，肿块的活检，即细针穿刺和肿物液体的细胞学检查，可被用于确诊。